Home / 2,976.60-4,461.54-1,126.56

Finding the Fourth Proportional to 2,976.60, 4,461.54 and 1,126.56

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Solution

The fourth proportional to 2,976.60, 4,461.54 and 1,126.56 is: 1,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.60 : 4,461.54 = 1,126.56 : x
  2. Step 2: Convert to fraction form
    2,976.60/4,461.54 = 1,126.56/x
  3. Step 3: Cross multiply
    2,976.60x = 4,461.54 × 1,126.56
  4. Step 4: Simplify right side
    2,976.60x = 5,026,192.50
  5. Step 5: Solve for x
    x = 5,026,192.50/2,976.60
  6. Step 6: Final answer
    x = 1,688.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.