Home / 1,507.30-2,264.19-1,276.64

Finding the Fourth Proportional to 1,507.30, 2,264.19 and 1,276.64

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Solution

The fourth proportional to 1,507.30, 2,264.19 and 1,276.64 is: 1,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.30 : 2,264.19 = 1,276.64 : x
  2. Step 2: Convert to fraction form
    1,507.30/2,264.19 = 1,276.64/x
  3. Step 3: Cross multiply
    1,507.30x = 2,264.19 × 1,276.64
  4. Step 4: Simplify right side
    1,507.30x = 2,890,555.52
  5. Step 5: Solve for x
    x = 2,890,555.52/1,507.30
  6. Step 6: Final answer
    x = 1,917.70

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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.