Home / 2,257.08-3,114.78-1,262.19

Finding the Fourth Proportional to 2,257.08, 3,114.78 and 1,262.19

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Solution

The fourth proportional to 2,257.08, 3,114.78 and 1,262.19 is: 1,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.08 : 3,114.78 = 1,262.19 : x
  2. Step 2: Convert to fraction form
    2,257.08/3,114.78 = 1,262.19/x
  3. Step 3: Cross multiply
    2,257.08x = 3,114.78 × 1,262.19
  4. Step 4: Simplify right side
    2,257.08x = 3,931,444.17
  5. Step 5: Solve for x
    x = 3,931,444.17/2,257.08
  6. Step 6: Final answer
    x = 1,741.83

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Double scale
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1.5x scale

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.