Home / 1,567.56-2,351.34-1,274.71

Finding the Fourth Proportional to 1,567.56, 2,351.34 and 1,274.71

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Solution

The fourth proportional to 1,567.56, 2,351.34 and 1,274.71 is: 1,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.56 : 2,351.34 = 1,274.71 : x
  2. Step 2: Convert to fraction form
    1,567.56/2,351.34 = 1,274.71/x
  3. Step 3: Cross multiply
    1,567.56x = 2,351.34 × 1,274.71
  4. Step 4: Simplify right side
    1,567.56x = 2,997,276.61
  5. Step 5: Solve for x
    x = 2,997,276.61/1,567.56
  6. Step 6: Final answer
    x = 1,912.07

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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.