Home / 2,042.75-2,818.98-1,203.45

Finding the Fourth Proportional to 2,042.75, 2,818.98 and 1,203.45

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Solution

The fourth proportional to 2,042.75, 2,818.98 and 1,203.45 is: 1,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.75 : 2,818.98 = 1,203.45 : x
  2. Step 2: Convert to fraction form
    2,042.75/2,818.98 = 1,203.45/x
  3. Step 3: Cross multiply
    2,042.75x = 2,818.98 × 1,203.45
  4. Step 4: Simplify right side
    2,042.75x = 3,392,501.48
  5. Step 5: Solve for x
    x = 3,392,501.48/2,042.75
  6. Step 6: Final answer
    x = 1,660.75

Related Problems

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Half scale
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Double scale
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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.