Home / 1,479.29-2,041.17-881.60

Finding the Fourth Proportional to 1,479.29, 2,041.17 and 881.60

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Solution

The fourth proportional to 1,479.29, 2,041.17 and 881.60 is: 1,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.29 : 2,041.17 = 881.60 : x
  2. Step 2: Convert to fraction form
    1,479.29/2,041.17 = 881.60/x
  3. Step 3: Cross multiply
    1,479.29x = 2,041.17 × 881.60
  4. Step 4: Simplify right side
    1,479.29x = 1,799,485.27
  5. Step 5: Solve for x
    x = 1,799,485.27/1,479.29
  6. Step 6: Final answer
    x = 1,216.46

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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.