Home / 1,419.68-2,124.36-1,034.24

Finding the Fourth Proportional to 1,419.68, 2,124.36 and 1,034.24

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Solution

The fourth proportional to 1,419.68, 2,124.36 and 1,034.24 is: 1,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.68 : 2,124.36 = 1,034.24 : x
  2. Step 2: Convert to fraction form
    1,419.68/2,124.36 = 1,034.24/x
  3. Step 3: Cross multiply
    1,419.68x = 2,124.36 × 1,034.24
  4. Step 4: Simplify right side
    1,419.68x = 2,197,098.09
  5. Step 5: Solve for x
    x = 2,197,098.09/1,419.68
  6. Step 6: Final answer
    x = 1,547.60

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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.