Home / 2,892.45-4,338.95-1,332.88

Finding the Fourth Proportional to 2,892.45, 4,338.95 and 1,332.88

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Solution

The fourth proportional to 2,892.45, 4,338.95 and 1,332.88 is: 1,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.45 : 4,338.95 = 1,332.88 : x
  2. Step 2: Convert to fraction form
    2,892.45/4,338.95 = 1,332.88/x
  3. Step 3: Cross multiply
    2,892.45x = 4,338.95 × 1,332.88
  4. Step 4: Simplify right side
    2,892.45x = 5,783,299.68
  5. Step 5: Solve for x
    x = 5,783,299.68/2,892.45
  6. Step 6: Final answer
    x = 1,999.45

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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.