Home / 3,126.72-4,687.65-1,567.35

Finding the Fourth Proportional to 3,126.72, 4,687.65 and 1,567.35

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Solution

The fourth proportional to 3,126.72, 4,687.65 and 1,567.35 is: 2,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.72 : 4,687.65 = 1,567.35 : x
  2. Step 2: Convert to fraction form
    3,126.72/4,687.65 = 1,567.35/x
  3. Step 3: Cross multiply
    3,126.72x = 4,687.65 × 1,567.35
  4. Step 4: Simplify right side
    3,126.72x = 7,347,188.23
  5. Step 5: Solve for x
    x = 7,347,188.23/3,126.72
  6. Step 6: Final answer
    x = 2,349.81

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1.5x scale

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.