Home / 2,848.29-3,931.02-1,729.68

Finding the Fourth Proportional to 2,848.29, 3,931.02 and 1,729.68

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Solution

The fourth proportional to 2,848.29, 3,931.02 and 1,729.68 is: 2,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.29 : 3,931.02 = 1,729.68 : x
  2. Step 2: Convert to fraction form
    2,848.29/3,931.02 = 1,729.68/x
  3. Step 3: Cross multiply
    2,848.29x = 3,931.02 × 1,729.68
  4. Step 4: Simplify right side
    2,848.29x = 6,799,406.67
  5. Step 5: Solve for x
    x = 6,799,406.67/2,848.29
  6. Step 6: Final answer
    x = 2,387.19

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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.