Home / 3,132.66-4,322.02-1,806.35

Finding the Fourth Proportional to 3,132.66, 4,322.02 and 1,806.35

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Solution

The fourth proportional to 3,132.66, 4,322.02 and 1,806.35 is: 2,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.66 : 4,322.02 = 1,806.35 : x
  2. Step 2: Convert to fraction form
    3,132.66/4,322.02 = 1,806.35/x
  3. Step 3: Cross multiply
    3,132.66x = 4,322.02 × 1,806.35
  4. Step 4: Simplify right side
    3,132.66x = 7,807,080.83
  5. Step 5: Solve for x
    x = 7,807,080.83/3,132.66
  6. Step 6: Final answer
    x = 2,492.16

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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.