Home / 3,278.68-4,525.07-1,862.51

Finding the Fourth Proportional to 3,278.68, 4,525.07 and 1,862.51

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Solution

The fourth proportional to 3,278.68, 4,525.07 and 1,862.51 is: 2,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.68 : 4,525.07 = 1,862.51 : x
  2. Step 2: Convert to fraction form
    3,278.68/4,525.07 = 1,862.51/x
  3. Step 3: Cross multiply
    3,278.68x = 4,525.07 × 1,862.51
  4. Step 4: Simplify right side
    3,278.68x = 8,427,978.81
  5. Step 5: Solve for x
    x = 8,427,978.81/3,278.68
  6. Step 6: Final answer
    x = 2,570.54

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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.