Home / 2,931.30-4,045.50-1,737

Finding the Fourth Proportional to 2,931.30, 4,045.50 and 1,737

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Solution

The fourth proportional to 2,931.30, 4,045.50 and 1,737 is: 2,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.30 : 4,045.50 = 1,737 : x
  2. Step 2: Convert to fraction form
    2,931.30/4,045.50 = 1,737/x
  3. Step 3: Cross multiply
    2,931.30x = 4,045.50 × 1,737
  4. Step 4: Simplify right side
    2,931.30x = 7,027,033.50
  5. Step 5: Solve for x
    x = 7,027,033.50/2,931.30
  6. Step 6: Final answer
    x = 2,397.24

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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.