Home / 1,134.60-1,568.34-1,043.88

Finding the Fourth Proportional to 1,134.60, 1,568.34 and 1,043.88

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Solution

The fourth proportional to 1,134.60, 1,568.34 and 1,043.88 is: 1,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.60 : 1,568.34 = 1,043.88 : x
  2. Step 2: Convert to fraction form
    1,134.60/1,568.34 = 1,043.88/x
  3. Step 3: Cross multiply
    1,134.60x = 1,568.34 × 1,043.88
  4. Step 4: Simplify right side
    1,134.60x = 1,637,158.76
  5. Step 5: Solve for x
    x = 1,637,158.76/1,134.60
  6. Step 6: Final answer
    x = 1,442.94

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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.