Home / 2,456.40-3,685.68-1,301.88

Finding the Fourth Proportional to 2,456.40, 3,685.68 and 1,301.88

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Solution

The fourth proportional to 2,456.40, 3,685.68 and 1,301.88 is: 1,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.40 : 3,685.68 = 1,301.88 : x
  2. Step 2: Convert to fraction form
    2,456.40/3,685.68 = 1,301.88/x
  3. Step 3: Cross multiply
    2,456.40x = 3,685.68 × 1,301.88
  4. Step 4: Simplify right side
    2,456.40x = 4,798,313.08
  5. Step 5: Solve for x
    x = 4,798,313.08/2,456.40
  6. Step 6: Final answer
    x = 1,953.39

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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.