Home / 2,488.26-3,433.14-1,440.12

Finding the Fourth Proportional to 2,488.26, 3,433.14 and 1,440.12

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Solution

The fourth proportional to 2,488.26, 3,433.14 and 1,440.12 is: 1,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.26 : 3,433.14 = 1,440.12 : x
  2. Step 2: Convert to fraction form
    2,488.26/3,433.14 = 1,440.12/x
  3. Step 3: Cross multiply
    2,488.26x = 3,433.14 × 1,440.12
  4. Step 4: Simplify right side
    2,488.26x = 4,944,133.58
  5. Step 5: Solve for x
    x = 4,944,133.58/2,488.26
  6. Step 6: Final answer
    x = 1,986.98

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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.