Home / 1,507.40-2,255.61-1,244.96

Finding the Fourth Proportional to 1,507.40, 2,255.61 and 1,244.96

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Solution

The fourth proportional to 1,507.40, 2,255.61 and 1,244.96 is: 1,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.40 : 2,255.61 = 1,244.96 : x
  2. Step 2: Convert to fraction form
    1,507.40/2,255.61 = 1,244.96/x
  3. Step 3: Cross multiply
    1,507.40x = 2,255.61 × 1,244.96
  4. Step 4: Simplify right side
    1,507.40x = 2,808,144.23
  5. Step 5: Solve for x
    x = 2,808,144.23/1,507.40
  6. Step 6: Final answer
    x = 1,862.91

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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.