Home / 1,702.10-2,555.55-1,337.30

Finding the Fourth Proportional to 1,702.10, 2,555.55 and 1,337.30

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Solution

The fourth proportional to 1,702.10, 2,555.55 and 1,337.30 is: 2,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.10 : 2,555.55 = 1,337.30 : x
  2. Step 2: Convert to fraction form
    1,702.10/2,555.55 = 1,337.30/x
  3. Step 3: Cross multiply
    1,702.10x = 2,555.55 × 1,337.30
  4. Step 4: Simplify right side
    1,702.10x = 3,417,537.02
  5. Step 5: Solve for x
    x = 3,417,537.02/1,702.10
  6. Step 6: Final answer
    x = 2,007.84

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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.