Home / 2,848.88-4,272.90-999.92

Finding the Fourth Proportional to 2,848.88, 4,272.90 and 999.92

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Solution

The fourth proportional to 2,848.88, 4,272.90 and 999.92 is: 1,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.88 : 4,272.90 = 999.92 : x
  2. Step 2: Convert to fraction form
    2,848.88/4,272.90 = 999.92/x
  3. Step 3: Cross multiply
    2,848.88x = 4,272.90 × 999.92
  4. Step 4: Simplify right side
    2,848.88x = 4,272,536.80
  5. Step 5: Solve for x
    x = 4,272,536.80/2,848.88
  6. Step 6: Final answer
    x = 1,499.73

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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.