Home / 1,429.28-2,141.04-1,264.08

Finding the Fourth Proportional to 1,429.28, 2,141.04 and 1,264.08

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Solution

The fourth proportional to 1,429.28, 2,141.04 and 1,264.08 is: 1,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.28 : 2,141.04 = 1,264.08 : x
  2. Step 2: Convert to fraction form
    1,429.28/2,141.04 = 1,264.08/x
  3. Step 3: Cross multiply
    1,429.28x = 2,141.04 × 1,264.08
  4. Step 4: Simplify right side
    1,429.28x = 2,706,445.84
  5. Step 5: Solve for x
    x = 2,706,445.84/1,429.28
  6. Step 6: Final answer
    x = 1,893.57

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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.