Home / 2,849.15-3,931.82-1,590.19

Finding the Fourth Proportional to 2,849.15, 3,931.82 and 1,590.19

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Solution

The fourth proportional to 2,849.15, 3,931.82 and 1,590.19 is: 2,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.15 : 3,931.82 = 1,590.19 : x
  2. Step 2: Convert to fraction form
    2,849.15/3,931.82 = 1,590.19/x
  3. Step 3: Cross multiply
    2,849.15x = 3,931.82 × 1,590.19
  4. Step 4: Simplify right side
    2,849.15x = 6,252,343.77
  5. Step 5: Solve for x
    x = 6,252,343.77/2,849.15
  6. Step 6: Final answer
    x = 2,194.46

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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.