Home / 2,988.32-4,483.18-1,013.85

Finding the Fourth Proportional to 2,988.32, 4,483.18 and 1,013.85

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Solution

The fourth proportional to 2,988.32, 4,483.18 and 1,013.85 is: 1,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.32 : 4,483.18 = 1,013.85 : x
  2. Step 2: Convert to fraction form
    2,988.32/4,483.18 = 1,013.85/x
  3. Step 3: Cross multiply
    2,988.32x = 4,483.18 × 1,013.85
  4. Step 4: Simplify right side
    2,988.32x = 4,545,252.70
  5. Step 5: Solve for x
    x = 4,545,252.70/2,988.32
  6. Step 6: Final answer
    x = 1,521.00

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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.