Home / 2,442.38-3,642.98-2,047.80

Finding the Fourth Proportional to 2,442.38, 3,642.98 and 2,047.80

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Solution

The fourth proportional to 2,442.38, 3,642.98 and 2,047.80 is: 3,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.38 : 3,642.98 = 2,047.80 : x
  2. Step 2: Convert to fraction form
    2,442.38/3,642.98 = 2,047.80/x
  3. Step 3: Cross multiply
    2,442.38x = 3,642.98 × 2,047.80
  4. Step 4: Simplify right side
    2,442.38x = 7,460,084.21
  5. Step 5: Solve for x
    x = 7,460,084.21/2,442.38
  6. Step 6: Final answer
    x = 3,054.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.