Home / 3,011.40-4,515.28-1,063.76

Finding the Fourth Proportional to 3,011.40, 4,515.28 and 1,063.76

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Solution

The fourth proportional to 3,011.40, 4,515.28 and 1,063.76 is: 1,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.40 : 4,515.28 = 1,063.76 : x
  2. Step 2: Convert to fraction form
    3,011.40/4,515.28 = 1,063.76/x
  3. Step 3: Cross multiply
    3,011.40x = 4,515.28 × 1,063.76
  4. Step 4: Simplify right side
    3,011.40x = 4,803,149.02
  5. Step 5: Solve for x
    x = 4,803,149.02/3,011.40
  6. Step 6: Final answer
    x = 1,594.99

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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.