Home / 3,435.84-5,149.66-1,585.10

Finding the Fourth Proportional to 3,435.84, 5,149.66 and 1,585.10

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Solution

The fourth proportional to 3,435.84, 5,149.66 and 1,585.10 is: 2,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.84 : 5,149.66 = 1,585.10 : x
  2. Step 2: Convert to fraction form
    3,435.84/5,149.66 = 1,585.10/x
  3. Step 3: Cross multiply
    3,435.84x = 5,149.66 × 1,585.10
  4. Step 4: Simplify right side
    3,435.84x = 8,162,726.07
  5. Step 5: Solve for x
    x = 8,162,726.07/3,435.84
  6. Step 6: Final answer
    x = 2,375.76

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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.