Home / 2,298.20-3,451.18-2,181.32

Finding the Fourth Proportional to 2,298.20, 3,451.18 and 2,181.32

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Solution

The fourth proportional to 2,298.20, 3,451.18 and 2,181.32 is: 3,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.20 : 3,451.18 = 2,181.32 : x
  2. Step 2: Convert to fraction form
    2,298.20/3,451.18 = 2,181.32/x
  3. Step 3: Cross multiply
    2,298.20x = 3,451.18 × 2,181.32
  4. Step 4: Simplify right side
    2,298.20x = 7,528,127.96
  5. Step 5: Solve for x
    x = 7,528,127.96/2,298.20
  6. Step 6: Final answer
    x = 3,275.66

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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.