Home / 2,849.27-3,931.94-1,590.30

Finding the Fourth Proportional to 2,849.27, 3,931.94 and 1,590.30

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Solution

The fourth proportional to 2,849.27, 3,931.94 and 1,590.30 is: 2,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.27 : 3,931.94 = 1,590.30 : x
  2. Step 2: Convert to fraction form
    2,849.27/3,931.94 = 1,590.30/x
  3. Step 3: Cross multiply
    2,849.27x = 3,931.94 × 1,590.30
  4. Step 4: Simplify right side
    2,849.27x = 6,252,968.16
  5. Step 5: Solve for x
    x = 6,252,968.16/2,849.27
  6. Step 6: Final answer
    x = 2,194.59

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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.