Home / 2,948.76-4,420.68-1,098.84

Finding the Fourth Proportional to 2,948.76, 4,420.68 and 1,098.84

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Solution

The fourth proportional to 2,948.76, 4,420.68 and 1,098.84 is: 1,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.76 : 4,420.68 = 1,098.84 : x
  2. Step 2: Convert to fraction form
    2,948.76/4,420.68 = 1,098.84/x
  3. Step 3: Cross multiply
    2,948.76x = 4,420.68 × 1,098.84
  4. Step 4: Simplify right side
    2,948.76x = 4,857,620.01
  5. Step 5: Solve for x
    x = 4,857,620.01/2,948.76
  6. Step 6: Final answer
    x = 1,647.34

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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.