Home / 2,849.08-3,931.76-1,590.22

Finding the Fourth Proportional to 2,849.08, 3,931.76 and 1,590.22

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Solution

The fourth proportional to 2,849.08, 3,931.76 and 1,590.22 is: 2,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.08 : 3,931.76 = 1,590.22 : x
  2. Step 2: Convert to fraction form
    2,849.08/3,931.76 = 1,590.22/x
  3. Step 3: Cross multiply
    2,849.08x = 3,931.76 × 1,590.22
  4. Step 4: Simplify right side
    2,849.08x = 6,252,363.39
  5. Step 5: Solve for x
    x = 6,252,363.39/2,849.08
  6. Step 6: Final answer
    x = 2,194.52

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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.