Home / 3,875.54-5,338.74-2,810.17

Finding the Fourth Proportional to 3,875.54, 5,338.74 and 2,810.17

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Solution

The fourth proportional to 3,875.54, 5,338.74 and 2,810.17 is: 3,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.54 : 5,338.74 = 2,810.17 : x
  2. Step 2: Convert to fraction form
    3,875.54/5,338.74 = 2,810.17/x
  3. Step 3: Cross multiply
    3,875.54x = 5,338.74 × 2,810.17
  4. Step 4: Simplify right side
    3,875.54x = 15,002,754.17
  5. Step 5: Solve for x
    x = 15,002,754.17/3,875.54
  6. Step 6: Final answer
    x = 3,871.14

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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.