Home / 1,899.28-2,619.97-1,545.58

Finding the Fourth Proportional to 1,899.28, 2,619.97 and 1,545.58

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Solution

The fourth proportional to 1,899.28, 2,619.97 and 1,545.58 is: 2,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.28 : 2,619.97 = 1,545.58 : x
  2. Step 2: Convert to fraction form
    1,899.28/2,619.97 = 1,545.58/x
  3. Step 3: Cross multiply
    1,899.28x = 2,619.97 × 1,545.58
  4. Step 4: Simplify right side
    1,899.28x = 4,049,373.23
  5. Step 5: Solve for x
    x = 4,049,373.23/1,899.28
  6. Step 6: Final answer
    x = 2,132.06

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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.