Home / 2,566.39-3,541.61-1,387.46

Finding the Fourth Proportional to 2,566.39, 3,541.61 and 1,387.46

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Solution

The fourth proportional to 2,566.39, 3,541.61 and 1,387.46 is: 1,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.39 : 3,541.61 = 1,387.46 : x
  2. Step 2: Convert to fraction form
    2,566.39/3,541.61 = 1,387.46/x
  3. Step 3: Cross multiply
    2,566.39x = 3,541.61 × 1,387.46
  4. Step 4: Simplify right side
    2,566.39x = 4,913,854.53
  5. Step 5: Solve for x
    x = 4,913,854.53/2,566.39
  6. Step 6: Final answer
    x = 1,914.70

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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.