Home / 1,539.44-2,125.06-1,042.76

Finding the Fourth Proportional to 1,539.44, 2,125.06 and 1,042.76

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Solution

The fourth proportional to 1,539.44, 2,125.06 and 1,042.76 is: 1,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.44 : 2,125.06 = 1,042.76 : x
  2. Step 2: Convert to fraction form
    1,539.44/2,125.06 = 1,042.76/x
  3. Step 3: Cross multiply
    1,539.44x = 2,125.06 × 1,042.76
  4. Step 4: Simplify right side
    1,539.44x = 2,215,927.57
  5. Step 5: Solve for x
    x = 2,215,927.57/1,539.44
  6. Step 6: Final answer
    x = 1,439.44

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,540.44, 2,126.44 and 1,043.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.