Home / 3,875.76-5,348.57-2,303.87

Finding the Fourth Proportional to 3,875.76, 5,348.57 and 2,303.87

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Solution

The fourth proportional to 3,875.76, 5,348.57 and 2,303.87 is: 3,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.76 : 5,348.57 = 2,303.87 : x
  2. Step 2: Convert to fraction form
    3,875.76/5,348.57 = 2,303.87/x
  3. Step 3: Cross multiply
    3,875.76x = 5,348.57 × 2,303.87
  4. Step 4: Simplify right side
    3,875.76x = 12,322,371.70
  5. Step 5: Solve for x
    x = 12,322,371.70/3,875.76
  6. Step 6: Final answer
    x = 3,179.34

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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.