Home / 1,507.01-2,079.88-1,257.93

Finding the Fourth Proportional to 1,507.01, 2,079.88 and 1,257.93

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Solution

The fourth proportional to 1,507.01, 2,079.88 and 1,257.93 is: 1,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.01 : 2,079.88 = 1,257.93 : x
  2. Step 2: Convert to fraction form
    1,507.01/2,079.88 = 1,257.93/x
  3. Step 3: Cross multiply
    1,507.01x = 2,079.88 × 1,257.93
  4. Step 4: Simplify right side
    1,507.01x = 2,616,340.30
  5. Step 5: Solve for x
    x = 2,616,340.30/1,507.01
  6. Step 6: Final answer
    x = 1,736.12

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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.