Home / 2,929.79-4,393.77-1,542.35

Finding the Fourth Proportional to 2,929.79, 4,393.77 and 1,542.35

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Solution

The fourth proportional to 2,929.79, 4,393.77 and 1,542.35 is: 2,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.79 : 4,393.77 = 1,542.35 : x
  2. Step 2: Convert to fraction form
    2,929.79/4,393.77 = 1,542.35/x
  3. Step 3: Cross multiply
    2,929.79x = 4,393.77 × 1,542.35
  4. Step 4: Simplify right side
    2,929.79x = 6,776,731.16
  5. Step 5: Solve for x
    x = 6,776,731.16/2,929.79
  6. Step 6: Final answer
    x = 2,313.04

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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.