Home / 2,925.80-4,388.70-2,882.60

Finding the Fourth Proportional to 2,925.80, 4,388.70 and 2,882.60

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Solution

The fourth proportional to 2,925.80, 4,388.70 and 2,882.60 is: 4,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.80 : 4,388.70 = 2,882.60 : x
  2. Step 2: Convert to fraction form
    2,925.80/4,388.70 = 2,882.60/x
  3. Step 3: Cross multiply
    2,925.80x = 4,388.70 × 2,882.60
  4. Step 4: Simplify right side
    2,925.80x = 12,650,866.62
  5. Step 5: Solve for x
    x = 12,650,866.62/2,925.80
  6. Step 6: Final answer
    x = 4,323.90

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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.