Home / 3,332.68-5,002.08-1,690.40

Finding the Fourth Proportional to 3,332.68, 5,002.08 and 1,690.40

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Solution

The fourth proportional to 3,332.68, 5,002.08 and 1,690.40 is: 2,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.68 : 5,002.08 = 1,690.40 : x
  2. Step 2: Convert to fraction form
    3,332.68/5,002.08 = 1,690.40/x
  3. Step 3: Cross multiply
    3,332.68x = 5,002.08 × 1,690.40
  4. Step 4: Simplify right side
    3,332.68x = 8,455,528.54
  5. Step 5: Solve for x
    x = 8,455,528.54/3,332.68
  6. Step 6: Final answer
    x = 2,537.16

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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.