Home / 1,451.28-2,001-1,264.08

Finding the Fourth Proportional to 1,451.28, 2,001 and 1,264.08

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Solution

The fourth proportional to 1,451.28, 2,001 and 1,264.08 is: 1,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.28 : 2,001 = 1,264.08 : x
  2. Step 2: Convert to fraction form
    1,451.28/2,001 = 1,264.08/x
  3. Step 3: Cross multiply
    1,451.28x = 2,001 × 1,264.08
  4. Step 4: Simplify right side
    1,451.28x = 2,529,424.08
  5. Step 5: Solve for x
    x = 2,529,424.08/1,451.28
  6. Step 6: Final answer
    x = 1,742.89

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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.