Home / 3,585.12-5,351.18-3,126.84

Finding the Fourth Proportional to 3,585.12, 5,351.18 and 3,126.84

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Solution

The fourth proportional to 3,585.12, 5,351.18 and 3,126.84 is: 4,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.12 : 5,351.18 = 3,126.84 : x
  2. Step 2: Convert to fraction form
    3,585.12/5,351.18 = 3,126.84/x
  3. Step 3: Cross multiply
    3,585.12x = 5,351.18 × 3,126.84
  4. Step 4: Simplify right side
    3,585.12x = 16,732,283.67
  5. Step 5: Solve for x
    x = 16,732,283.67/3,585.12
  6. Step 6: Final answer
    x = 4,667.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.