Home / 2,442.16-3,369.36-1,393.48

Finding the Fourth Proportional to 2,442.16, 3,369.36 and 1,393.48

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Solution

The fourth proportional to 2,442.16, 3,369.36 and 1,393.48 is: 1,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.16 : 3,369.36 = 1,393.48 : x
  2. Step 2: Convert to fraction form
    2,442.16/3,369.36 = 1,393.48/x
  3. Step 3: Cross multiply
    2,442.16x = 3,369.36 × 1,393.48
  4. Step 4: Simplify right side
    2,442.16x = 4,695,135.77
  5. Step 5: Solve for x
    x = 4,695,135.77/2,442.16
  6. Step 6: Final answer
    x = 1,922.53

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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.