Home / 2,220.08-3,330.12-1,049.70

Finding the Fourth Proportional to 2,220.08, 3,330.12 and 1,049.70

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Solution

The fourth proportional to 2,220.08, 3,330.12 and 1,049.70 is: 1,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.08 : 3,330.12 = 1,049.70 : x
  2. Step 2: Convert to fraction form
    2,220.08/3,330.12 = 1,049.70/x
  3. Step 3: Cross multiply
    2,220.08x = 3,330.12 × 1,049.70
  4. Step 4: Simplify right side
    2,220.08x = 3,495,626.96
  5. Step 5: Solve for x
    x = 3,495,626.96/2,220.08
  6. Step 6: Final answer
    x = 1,574.55

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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.