Home / 3,850.81-5,312.91-2,357.17

Finding the Fourth Proportional to 3,850.81, 5,312.91 and 2,357.17

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Solution

The fourth proportional to 3,850.81, 5,312.91 and 2,357.17 is: 3,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.81 : 5,312.91 = 2,357.17 : x
  2. Step 2: Convert to fraction form
    3,850.81/5,312.91 = 2,357.17/x
  3. Step 3: Cross multiply
    3,850.81x = 5,312.91 × 2,357.17
  4. Step 4: Simplify right side
    3,850.81x = 12,523,432.06
  5. Step 5: Solve for x
    x = 12,523,432.06/3,850.81
  6. Step 6: Final answer
    x = 3,252.16

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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.