Home / 4,098.60-6,151.74-2,152.20

Finding the Fourth Proportional to 4,098.60, 6,151.74 and 2,152.20

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Solution

The fourth proportional to 4,098.60, 6,151.74 and 2,152.20 is: 3,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.60 : 6,151.74 = 2,152.20 : x
  2. Step 2: Convert to fraction form
    4,098.60/6,151.74 = 2,152.20/x
  3. Step 3: Cross multiply
    4,098.60x = 6,151.74 × 2,152.20
  4. Step 4: Simplify right side
    4,098.60x = 13,239,774.83
  5. Step 5: Solve for x
    x = 13,239,774.83/4,098.60
  6. Step 6: Final answer
    x = 3,230.32

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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.