Home / 1,434.48-2,154.60-1,253.76

Finding the Fourth Proportional to 1,434.48, 2,154.60 and 1,253.76

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Solution

The fourth proportional to 1,434.48, 2,154.60 and 1,253.76 is: 1,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.48 : 2,154.60 = 1,253.76 : x
  2. Step 2: Convert to fraction form
    1,434.48/2,154.60 = 1,253.76/x
  3. Step 3: Cross multiply
    1,434.48x = 2,154.60 × 1,253.76
  4. Step 4: Simplify right side
    1,434.48x = 2,701,351.30
  5. Step 5: Solve for x
    x = 2,701,351.30/1,434.48
  6. Step 6: Final answer
    x = 1,883.16

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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.