Home / 3,895.80-5,376.30-2,323.68

Finding the Fourth Proportional to 3,895.80, 5,376.30 and 2,323.68

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Solution

The fourth proportional to 3,895.80, 5,376.30 and 2,323.68 is: 3,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.80 : 5,376.30 = 2,323.68 : x
  2. Step 2: Convert to fraction form
    3,895.80/5,376.30 = 2,323.68/x
  3. Step 3: Cross multiply
    3,895.80x = 5,376.30 × 2,323.68
  4. Step 4: Simplify right side
    3,895.80x = 12,492,800.78
  5. Step 5: Solve for x
    x = 12,492,800.78/3,895.80
  6. Step 6: Final answer
    x = 3,206.74

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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.