Home / 3,957.39-5,460.68-2,543.00

Finding the Fourth Proportional to 3,957.39, 5,460.68 and 2,543.00

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Solution

The fourth proportional to 3,957.39, 5,460.68 and 2,543.00 is: 3,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.39 : 5,460.68 = 2,543.00 : x
  2. Step 2: Convert to fraction form
    3,957.39/5,460.68 = 2,543.00/x
  3. Step 3: Cross multiply
    3,957.39x = 5,460.68 × 2,543.00
  4. Step 4: Simplify right side
    3,957.39x = 13,886,488.29
  5. Step 5: Solve for x
    x = 13,886,488.29/3,957.39
  6. Step 6: Final answer
    x = 3,509.00

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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.