Home / 2,433.29-3,646.85-1,555.45

Finding the Fourth Proportional to 2,433.29, 3,646.85 and 1,555.45

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Solution

The fourth proportional to 2,433.29, 3,646.85 and 1,555.45 is: 2,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.29 : 3,646.85 = 1,555.45 : x
  2. Step 2: Convert to fraction form
    2,433.29/3,646.85 = 1,555.45/x
  3. Step 3: Cross multiply
    2,433.29x = 3,646.85 × 1,555.45
  4. Step 4: Simplify right side
    2,433.29x = 5,672,475.94
  5. Step 5: Solve for x
    x = 5,672,475.94/2,433.29
  6. Step 6: Final answer
    x = 2,331.20

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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.