Home / 2,442.12-3,369.24-1,558.32

Finding the Fourth Proportional to 2,442.12, 3,369.24 and 1,558.32

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Solution

The fourth proportional to 2,442.12, 3,369.24 and 1,558.32 is: 2,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.12 : 3,369.24 = 1,558.32 : x
  2. Step 2: Convert to fraction form
    2,442.12/3,369.24 = 1,558.32/x
  3. Step 3: Cross multiply
    2,442.12x = 3,369.24 × 1,558.32
  4. Step 4: Simplify right side
    2,442.12x = 5,250,354.08
  5. Step 5: Solve for x
    x = 5,250,354.08/2,442.12
  6. Step 6: Final answer
    x = 2,149.92

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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.