Home / 1,437.52-2,157.79-1,274.04

Finding the Fourth Proportional to 1,437.52, 2,157.79 and 1,274.04

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Solution

The fourth proportional to 1,437.52, 2,157.79 and 1,274.04 is: 1,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.52 : 2,157.79 = 1,274.04 : x
  2. Step 2: Convert to fraction form
    1,437.52/2,157.79 = 1,274.04/x
  3. Step 3: Cross multiply
    1,437.52x = 2,157.79 × 1,274.04
  4. Step 4: Simplify right side
    1,437.52x = 2,749,110.77
  5. Step 5: Solve for x
    x = 2,749,110.77/1,437.52
  6. Step 6: Final answer
    x = 1,912.40

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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.