Home / 1,854.10-2,545.04-1,639.59

Finding the Fourth Proportional to 1,854.10, 2,545.04 and 1,639.59

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Solution

The fourth proportional to 1,854.10, 2,545.04 and 1,639.59 is: 2,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.10 : 2,545.04 = 1,639.59 : x
  2. Step 2: Convert to fraction form
    1,854.10/2,545.04 = 1,639.59/x
  3. Step 3: Cross multiply
    1,854.10x = 2,545.04 × 1,639.59
  4. Step 4: Simplify right side
    1,854.10x = 4,172,822.13
  5. Step 5: Solve for x
    x = 4,172,822.13/1,854.10
  6. Step 6: Final answer
    x = 2,250.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.