Home / 1,937.90-2,902.26-1,475.12

Finding the Fourth Proportional to 1,937.90, 2,902.26 and 1,475.12

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Solution

The fourth proportional to 1,937.90, 2,902.26 and 1,475.12 is: 2,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.90 : 2,902.26 = 1,475.12 : x
  2. Step 2: Convert to fraction form
    1,937.90/2,902.26 = 1,475.12/x
  3. Step 3: Cross multiply
    1,937.90x = 2,902.26 × 1,475.12
  4. Step 4: Simplify right side
    1,937.90x = 4,281,181.77
  5. Step 5: Solve for x
    x = 4,281,181.77/1,937.90
  6. Step 6: Final answer
    x = 2,209.19

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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.