Home / 2,757.30-4,130.01-1,294.26

Finding the Fourth Proportional to 2,757.30, 4,130.01 and 1,294.26

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Solution

The fourth proportional to 2,757.30, 4,130.01 and 1,294.26 is: 1,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.30 : 4,130.01 = 1,294.26 : x
  2. Step 2: Convert to fraction form
    2,757.30/4,130.01 = 1,294.26/x
  3. Step 3: Cross multiply
    2,757.30x = 4,130.01 × 1,294.26
  4. Step 4: Simplify right side
    2,757.30x = 5,345,306.74
  5. Step 5: Solve for x
    x = 5,345,306.74/2,757.30
  6. Step 6: Final answer
    x = 1,938.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.