Home / 2,988.90-4,481.33-1,526.85

Finding the Fourth Proportional to 2,988.90, 4,481.33 and 1,526.85

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Solution

The fourth proportional to 2,988.90, 4,481.33 and 1,526.85 is: 2,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.90 : 4,481.33 = 1,526.85 : x
  2. Step 2: Convert to fraction form
    2,988.90/4,481.33 = 1,526.85/x
  3. Step 3: Cross multiply
    2,988.90x = 4,481.33 × 1,526.85
  4. Step 4: Simplify right side
    2,988.90x = 6,842,311.08
  5. Step 5: Solve for x
    x = 6,842,311.08/2,988.90
  6. Step 6: Final answer
    x = 2,289.24

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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.