Home / 2,918.26-4,031.13-2,332.90

Finding the Fourth Proportional to 2,918.26, 4,031.13 and 2,332.90

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Solution

The fourth proportional to 2,918.26, 4,031.13 and 2,332.90 is: 3,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.26 : 4,031.13 = 2,332.90 : x
  2. Step 2: Convert to fraction form
    2,918.26/4,031.13 = 2,332.90/x
  3. Step 3: Cross multiply
    2,918.26x = 4,031.13 × 2,332.90
  4. Step 4: Simplify right side
    2,918.26x = 9,404,223.18
  5. Step 5: Solve for x
    x = 9,404,223.18/2,918.26
  6. Step 6: Final answer
    x = 3,222.54

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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.