Home / 3,560.56-4,915.89-3,186.90

Finding the Fourth Proportional to 3,560.56, 4,915.89 and 3,186.90

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Solution

The fourth proportional to 3,560.56, 4,915.89 and 3,186.90 is: 4,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.56 : 4,915.89 = 3,186.90 : x
  2. Step 2: Convert to fraction form
    3,560.56/4,915.89 = 3,186.90/x
  3. Step 3: Cross multiply
    3,560.56x = 4,915.89 × 3,186.90
  4. Step 4: Simplify right side
    3,560.56x = 15,666,449.84
  5. Step 5: Solve for x
    x = 15,666,449.84/3,560.56
  6. Step 6: Final answer
    x = 4,400.00

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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.