Home / 2,442.18-3,367.17-1,999.08

Finding the Fourth Proportional to 2,442.18, 3,367.17 and 1,999.08

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Solution

The fourth proportional to 2,442.18, 3,367.17 and 1,999.08 is: 2,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.18 : 3,367.17 = 1,999.08 : x
  2. Step 2: Convert to fraction form
    2,442.18/3,367.17 = 1,999.08/x
  3. Step 3: Cross multiply
    2,442.18x = 3,367.17 × 1,999.08
  4. Step 4: Simplify right side
    2,442.18x = 6,731,242.20
  5. Step 5: Solve for x
    x = 6,731,242.20/2,442.18
  6. Step 6: Final answer
    x = 2,756.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.