Home / 2,332.04-3,218.14-1,387.62

Finding the Fourth Proportional to 2,332.04, 3,218.14 and 1,387.62

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Solution

The fourth proportional to 2,332.04, 3,218.14 and 1,387.62 is: 1,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.04 : 3,218.14 = 1,387.62 : x
  2. Step 2: Convert to fraction form
    2,332.04/3,218.14 = 1,387.62/x
  3. Step 3: Cross multiply
    2,332.04x = 3,218.14 × 1,387.62
  4. Step 4: Simplify right side
    2,332.04x = 4,465,539.34
  5. Step 5: Solve for x
    x = 4,465,539.34/2,332.04
  6. Step 6: Final answer
    x = 1,914.86

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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.