Home / 2,348.29-3,239.49-1,820.68

Finding the Fourth Proportional to 2,348.29, 3,239.49 and 1,820.68

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Solution

The fourth proportional to 2,348.29, 3,239.49 and 1,820.68 is: 2,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.29 : 3,239.49 = 1,820.68 : x
  2. Step 2: Convert to fraction form
    2,348.29/3,239.49 = 1,820.68/x
  3. Step 3: Cross multiply
    2,348.29x = 3,239.49 × 1,820.68
  4. Step 4: Simplify right side
    2,348.29x = 5,898,073.38
  5. Step 5: Solve for x
    x = 5,898,073.38/2,348.29
  6. Step 6: Final answer
    x = 2,511.64

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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.