Home / 1,937.24-2,672.40-1,140

Finding the Fourth Proportional to 1,937.24, 2,672.40 and 1,140

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Solution

The fourth proportional to 1,937.24, 2,672.40 and 1,140 is: 1,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.24 : 2,672.40 = 1,140 : x
  2. Step 2: Convert to fraction form
    1,937.24/2,672.40 = 1,140/x
  3. Step 3: Cross multiply
    1,937.24x = 2,672.40 × 1,140
  4. Step 4: Simplify right side
    1,937.24x = 3,046,536
  5. Step 5: Solve for x
    x = 3,046,536/1,937.24
  6. Step 6: Final answer
    x = 1,572.62

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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.