Home / 1,572.47-2,351.21-1,434.77

Finding the Fourth Proportional to 1,572.47, 2,351.21 and 1,434.77

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Solution

The fourth proportional to 1,572.47, 2,351.21 and 1,434.77 is: 2,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.47 : 2,351.21 = 1,434.77 : x
  2. Step 2: Convert to fraction form
    1,572.47/2,351.21 = 1,434.77/x
  3. Step 3: Cross multiply
    1,572.47x = 2,351.21 × 1,434.77
  4. Step 4: Simplify right side
    1,572.47x = 3,373,426.64
  5. Step 5: Solve for x
    x = 3,373,426.64/1,572.47
  6. Step 6: Final answer
    x = 2,145.31

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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.