Home / 2,220.46-3,332.64-1,294.74

Finding the Fourth Proportional to 2,220.46, 3,332.64 and 1,294.74

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Solution

The fourth proportional to 2,220.46, 3,332.64 and 1,294.74 is: 1,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.46 : 3,332.64 = 1,294.74 : x
  2. Step 2: Convert to fraction form
    2,220.46/3,332.64 = 1,294.74/x
  3. Step 3: Cross multiply
    2,220.46x = 3,332.64 × 1,294.74
  4. Step 4: Simplify right side
    2,220.46x = 4,314,902.31
  5. Step 5: Solve for x
    x = 4,314,902.31/2,220.46
  6. Step 6: Final answer
    x = 1,943.25

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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.