Home / 1,451.40-2,175.28-1,334.76

Finding the Fourth Proportional to 1,451.40, 2,175.28 and 1,334.76

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Solution

The fourth proportional to 1,451.40, 2,175.28 and 1,334.76 is: 2,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.40 : 2,175.28 = 1,334.76 : x
  2. Step 2: Convert to fraction form
    1,451.40/2,175.28 = 1,334.76/x
  3. Step 3: Cross multiply
    1,451.40x = 2,175.28 × 1,334.76
  4. Step 4: Simplify right side
    1,451.40x = 2,903,473.40
  5. Step 5: Solve for x
    x = 2,903,473.40/1,451.40
  6. Step 6: Final answer
    x = 2,000.46

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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.