Home / 2,274.26-3,140.76-1,488.80

Finding the Fourth Proportional to 2,274.26, 3,140.76 and 1,488.80

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Solution

The fourth proportional to 2,274.26, 3,140.76 and 1,488.80 is: 2,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.26 : 3,140.76 = 1,488.80 : x
  2. Step 2: Convert to fraction form
    2,274.26/3,140.76 = 1,488.80/x
  3. Step 3: Cross multiply
    2,274.26x = 3,140.76 × 1,488.80
  4. Step 4: Simplify right side
    2,274.26x = 4,675,963.49
  5. Step 5: Solve for x
    x = 4,675,963.49/2,274.26
  6. Step 6: Final answer
    x = 2,056.04

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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.