Home / 2,939.95-4,425.93-2,538.19

Finding the Fourth Proportional to 2,939.95, 4,425.93 and 2,538.19

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Solution

The fourth proportional to 2,939.95, 4,425.93 and 2,538.19 is: 3,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.95 : 4,425.93 = 2,538.19 : x
  2. Step 2: Convert to fraction form
    2,939.95/4,425.93 = 2,538.19/x
  3. Step 3: Cross multiply
    2,939.95x = 4,425.93 × 2,538.19
  4. Step 4: Simplify right side
    2,939.95x = 11,233,851.27
  5. Step 5: Solve for x
    x = 11,233,851.27/2,939.95
  6. Step 6: Final answer
    x = 3,821.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.