Home / 2,948.32-4,419.71-999.19

Finding the Fourth Proportional to 2,948.32, 4,419.71 and 999.19

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Solution

The fourth proportional to 2,948.32, 4,419.71 and 999.19 is: 1,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.32 : 4,419.71 = 999.19 : x
  2. Step 2: Convert to fraction form
    2,948.32/4,419.71 = 999.19/x
  3. Step 3: Cross multiply
    2,948.32x = 4,419.71 × 999.19
  4. Step 4: Simplify right side
    2,948.32x = 4,416,130.03
  5. Step 5: Solve for x
    x = 4,416,130.03/2,948.32
  6. Step 6: Final answer
    x = 1,497.85

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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.