Home / 2,849.67-3,929.45-1,853.10

Finding the Fourth Proportional to 2,849.67, 3,929.45 and 1,853.10

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Solution

The fourth proportional to 2,849.67, 3,929.45 and 1,853.10 is: 2,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.67 : 3,929.45 = 1,853.10 : x
  2. Step 2: Convert to fraction form
    2,849.67/3,929.45 = 1,853.10/x
  3. Step 3: Cross multiply
    2,849.67x = 3,929.45 × 1,853.10
  4. Step 4: Simplify right side
    2,849.67x = 7,281,654.53
  5. Step 5: Solve for x
    x = 7,281,654.53/2,849.67
  6. Step 6: Final answer
    x = 2,555.26

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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.