Home / 3,850.53-5,312.74-2,357.90

Finding the Fourth Proportional to 3,850.53, 5,312.74 and 2,357.90

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Solution

The fourth proportional to 3,850.53, 5,312.74 and 2,357.90 is: 3,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.53 : 5,312.74 = 2,357.90 : x
  2. Step 2: Convert to fraction form
    3,850.53/5,312.74 = 2,357.90/x
  3. Step 3: Cross multiply
    3,850.53x = 5,312.74 × 2,357.90
  4. Step 4: Simplify right side
    3,850.53x = 12,526,909.65
  5. Step 5: Solve for x
    x = 12,526,909.65/3,850.53
  6. Step 6: Final answer
    x = 3,253.29

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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.