Home / 3,875.90-5,349.19-2,303.99

Finding the Fourth Proportional to 3,875.90, 5,349.19 and 2,303.99

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Solution

The fourth proportional to 3,875.90, 5,349.19 and 2,303.99 is: 3,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.90 : 5,349.19 = 2,303.99 : x
  2. Step 2: Convert to fraction form
    3,875.90/5,349.19 = 2,303.99/x
  3. Step 3: Cross multiply
    3,875.90x = 5,349.19 × 2,303.99
  4. Step 4: Simplify right side
    3,875.90x = 12,324,480.27
  5. Step 5: Solve for x
    x = 12,324,480.27/3,875.90
  6. Step 6: Final answer
    x = 3,179.77

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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.