Home / 3,332.55-5,001.88-1,690.23

Finding the Fourth Proportional to 3,332.55, 5,001.88 and 1,690.23

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Solution

The fourth proportional to 3,332.55, 5,001.88 and 1,690.23 is: 2,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.55 : 5,001.88 = 1,690.23 : x
  2. Step 2: Convert to fraction form
    3,332.55/5,001.88 = 1,690.23/x
  3. Step 3: Cross multiply
    3,332.55x = 5,001.88 × 1,690.23
  4. Step 4: Simplify right side
    3,332.55x = 8,454,327.63
  5. Step 5: Solve for x
    x = 8,454,327.63/3,332.55
  6. Step 6: Final answer
    x = 2,536.89

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1.5x scale

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.