Home / 3,039.56-4,560.76-2,990.42

Finding the Fourth Proportional to 3,039.56, 4,560.76 and 2,990.42

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Solution

The fourth proportional to 3,039.56, 4,560.76 and 2,990.42 is: 4,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.56 : 4,560.76 = 2,990.42 : x
  2. Step 2: Convert to fraction form
    3,039.56/4,560.76 = 2,990.42/x
  3. Step 3: Cross multiply
    3,039.56x = 4,560.76 × 2,990.42
  4. Step 4: Simplify right side
    3,039.56x = 13,638,569.14
  5. Step 5: Solve for x
    x = 13,638,569.14/3,039.56
  6. Step 6: Final answer
    x = 4,487.02

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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.