Home / 2,849.25-3,931.59-1,590.15

Finding the Fourth Proportional to 2,849.25, 3,931.59 and 1,590.15

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Solution

The fourth proportional to 2,849.25, 3,931.59 and 1,590.15 is: 2,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.25 : 3,931.59 = 1,590.15 : x
  2. Step 2: Convert to fraction form
    2,849.25/3,931.59 = 1,590.15/x
  3. Step 3: Cross multiply
    2,849.25x = 3,931.59 × 1,590.15
  4. Step 4: Simplify right side
    2,849.25x = 6,251,817.84
  5. Step 5: Solve for x
    x = 6,251,817.84/2,849.25
  6. Step 6: Final answer
    x = 2,194.20

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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.