Home / 2,217.36-3,061.54-1,472.88

Finding the Fourth Proportional to 2,217.36, 3,061.54 and 1,472.88

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Solution

The fourth proportional to 2,217.36, 3,061.54 and 1,472.88 is: 2,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.36 : 3,061.54 = 1,472.88 : x
  2. Step 2: Convert to fraction form
    2,217.36/3,061.54 = 1,472.88/x
  3. Step 3: Cross multiply
    2,217.36x = 3,061.54 × 1,472.88
  4. Step 4: Simplify right side
    2,217.36x = 4,509,281.04
  5. Step 5: Solve for x
    x = 4,509,281.04/2,217.36
  6. Step 6: Final answer
    x = 2,033.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.