Home / 2,560.16-3,532.88-1,441.20

Finding the Fourth Proportional to 2,560.16, 3,532.88 and 1,441.20

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Solution

The fourth proportional to 2,560.16, 3,532.88 and 1,441.20 is: 1,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.16 : 3,532.88 = 1,441.20 : x
  2. Step 2: Convert to fraction form
    2,560.16/3,532.88 = 1,441.20/x
  3. Step 3: Cross multiply
    2,560.16x = 3,532.88 × 1,441.20
  4. Step 4: Simplify right side
    2,560.16x = 5,091,586.66
  5. Step 5: Solve for x
    x = 5,091,586.66/2,560.16
  6. Step 6: Final answer
    x = 1,988.78

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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.