Home / 2,220.62-3,332.14-1,246.79

Finding the Fourth Proportional to 2,220.62, 3,332.14 and 1,246.79

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Solution

The fourth proportional to 2,220.62, 3,332.14 and 1,246.79 is: 1,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.62 : 3,332.14 = 1,246.79 : x
  2. Step 2: Convert to fraction form
    2,220.62/3,332.14 = 1,246.79/x
  3. Step 3: Cross multiply
    2,220.62x = 3,332.14 × 1,246.79
  4. Step 4: Simplify right side
    2,220.62x = 4,154,484.04
  5. Step 5: Solve for x
    x = 4,154,484.04/2,220.62
  6. Step 6: Final answer
    x = 1,870.87

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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.