Home / 3,590.10-5,377.77-2,125.71

Finding the Fourth Proportional to 3,590.10, 5,377.77 and 2,125.71

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Solution

The fourth proportional to 3,590.10, 5,377.77 and 2,125.71 is: 3,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.10 : 5,377.77 = 2,125.71 : x
  2. Step 2: Convert to fraction form
    3,590.10/5,377.77 = 2,125.71/x
  3. Step 3: Cross multiply
    3,590.10x = 5,377.77 × 2,125.71
  4. Step 4: Simplify right side
    3,590.10x = 11,431,579.47
  5. Step 5: Solve for x
    x = 11,431,579.47/3,590.10
  6. Step 6: Final answer
    x = 3,184.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.