Home / 2,848.75-4,273.05-999.86

Finding the Fourth Proportional to 2,848.75, 4,273.05 and 999.86

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Solution

The fourth proportional to 2,848.75, 4,273.05 and 999.86 is: 1,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.75 : 4,273.05 = 999.86 : x
  2. Step 2: Convert to fraction form
    2,848.75/4,273.05 = 999.86/x
  3. Step 3: Cross multiply
    2,848.75x = 4,273.05 × 999.86
  4. Step 4: Simplify right side
    2,848.75x = 4,272,434.16
  5. Step 5: Solve for x
    x = 4,272,434.16/2,848.75
  6. Step 6: Final answer
    x = 1,499.76

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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.