Home / 3,132.54-4,323.15-1,806.30

Finding the Fourth Proportional to 3,132.54, 4,323.15 and 1,806.30

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Solution

The fourth proportional to 3,132.54, 4,323.15 and 1,806.30 is: 2,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.54 : 4,323.15 = 1,806.30 : x
  2. Step 2: Convert to fraction form
    3,132.54/4,323.15 = 1,806.30/x
  3. Step 3: Cross multiply
    3,132.54x = 4,323.15 × 1,806.30
  4. Step 4: Simplify right side
    3,132.54x = 7,808,905.85
  5. Step 5: Solve for x
    x = 7,808,905.85/3,132.54
  6. Step 6: Final answer
    x = 2,492.84

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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.