Home / 2,849.13-3,931.65-1,590.17

Finding the Fourth Proportional to 2,849.13, 3,931.65 and 1,590.17

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Solution

The fourth proportional to 2,849.13, 3,931.65 and 1,590.17 is: 2,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.13 : 3,931.65 = 1,590.17 : x
  2. Step 2: Convert to fraction form
    2,849.13/3,931.65 = 1,590.17/x
  3. Step 3: Cross multiply
    2,849.13x = 3,931.65 × 1,590.17
  4. Step 4: Simplify right side
    2,849.13x = 6,251,991.88
  5. Step 5: Solve for x
    x = 6,251,991.88/2,849.13
  6. Step 6: Final answer
    x = 2,194.35

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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.