Home / 1,560.47-2,154.20-1,063.94

Finding the Fourth Proportional to 1,560.47, 2,154.20 and 1,063.94

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Solution

The fourth proportional to 1,560.47, 2,154.20 and 1,063.94 is: 1,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.47 : 2,154.20 = 1,063.94 : x
  2. Step 2: Convert to fraction form
    1,560.47/2,154.20 = 1,063.94/x
  3. Step 3: Cross multiply
    1,560.47x = 2,154.20 × 1,063.94
  4. Step 4: Simplify right side
    1,560.47x = 2,291,923.46
  5. Step 5: Solve for x
    x = 2,291,923.46/1,560.47
  6. Step 6: Final answer
    x = 1,468.74

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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.