Home / 2,277.40-3,142.63-1,333.06

Finding the Fourth Proportional to 2,277.40, 3,142.63 and 1,333.06

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Solution

The fourth proportional to 2,277.40, 3,142.63 and 1,333.06 is: 1,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.40 : 3,142.63 = 1,333.06 : x
  2. Step 2: Convert to fraction form
    2,277.40/3,142.63 = 1,333.06/x
  3. Step 3: Cross multiply
    2,277.40x = 3,142.63 × 1,333.06
  4. Step 4: Simplify right side
    2,277.40x = 4,189,306.49
  5. Step 5: Solve for x
    x = 4,189,306.49/2,277.40
  6. Step 6: Final answer
    x = 1,839.51

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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.