Home / 2,948.19-4,419.20-1,098.50

Finding the Fourth Proportional to 2,948.19, 4,419.20 and 1,098.50

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Solution

The fourth proportional to 2,948.19, 4,419.20 and 1,098.50 is: 1,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.19 : 4,419.20 = 1,098.50 : x
  2. Step 2: Convert to fraction form
    2,948.19/4,419.20 = 1,098.50/x
  3. Step 3: Cross multiply
    2,948.19x = 4,419.20 × 1,098.50
  4. Step 4: Simplify right side
    2,948.19x = 4,854,471.85
  5. Step 5: Solve for x
    x = 4,854,471.85/2,948.19
  6. Step 6: Final answer
    x = 1,646.60

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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.