Home / 3,099.38-4,277.42-1,702.40

Finding the Fourth Proportional to 3,099.38, 4,277.42 and 1,702.40

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Solution

The fourth proportional to 3,099.38, 4,277.42 and 1,702.40 is: 2,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.38 : 4,277.42 = 1,702.40 : x
  2. Step 2: Convert to fraction form
    3,099.38/4,277.42 = 1,702.40/x
  3. Step 3: Cross multiply
    3,099.38x = 4,277.42 × 1,702.40
  4. Step 4: Simplify right side
    3,099.38x = 7,281,849.91
  5. Step 5: Solve for x
    x = 7,281,849.91/3,099.38
  6. Step 6: Final answer
    x = 2,349.46

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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.