Home / 3,132.77-4,323.11-1,806.53

Finding the Fourth Proportional to 3,132.77, 4,323.11 and 1,806.53

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Solution

The fourth proportional to 3,132.77, 4,323.11 and 1,806.53 is: 2,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.77 : 4,323.11 = 1,806.53 : x
  2. Step 2: Convert to fraction form
    3,132.77/4,323.11 = 1,806.53/x
  3. Step 3: Cross multiply
    3,132.77x = 4,323.11 × 1,806.53
  4. Step 4: Simplify right side
    3,132.77x = 7,809,797.26
  5. Step 5: Solve for x
    x = 7,809,797.26/3,132.77
  6. Step 6: Final answer
    x = 2,492.94

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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.