Home / 3,330.28-4,988.58-1,576.90

Finding the Fourth Proportional to 3,330.28, 4,988.58 and 1,576.90

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Solution

The fourth proportional to 3,330.28, 4,988.58 and 1,576.90 is: 2,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.28 : 4,988.58 = 1,576.90 : x
  2. Step 2: Convert to fraction form
    3,330.28/4,988.58 = 1,576.90/x
  3. Step 3: Cross multiply
    3,330.28x = 4,988.58 × 1,576.90
  4. Step 4: Simplify right side
    3,330.28x = 7,866,491.80
  5. Step 5: Solve for x
    x = 7,866,491.80/3,330.28
  6. Step 6: Final answer
    x = 2,362.11

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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.