Home / 3,925.56-5,412.67-2,929.11

Finding the Fourth Proportional to 3,925.56, 5,412.67 and 2,929.11

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Solution

The fourth proportional to 3,925.56, 5,412.67 and 2,929.11 is: 4,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.56 : 5,412.67 = 2,929.11 : x
  2. Step 2: Convert to fraction form
    3,925.56/5,412.67 = 2,929.11/x
  3. Step 3: Cross multiply
    3,925.56x = 5,412.67 × 2,929.11
  4. Step 4: Simplify right side
    3,925.56x = 15,854,325.13
  5. Step 5: Solve for x
    x = 15,854,325.13/3,925.56
  6. Step 6: Final answer
    x = 4,038.74

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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.