Home / 3,065.48-4,229.88-1,806.56

Finding the Fourth Proportional to 3,065.48, 4,229.88 and 1,806.56

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Solution

The fourth proportional to 3,065.48, 4,229.88 and 1,806.56 is: 2,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.48 : 4,229.88 = 1,806.56 : x
  2. Step 2: Convert to fraction form
    3,065.48/4,229.88 = 1,806.56/x
  3. Step 3: Cross multiply
    3,065.48x = 4,229.88 × 1,806.56
  4. Step 4: Simplify right side
    3,065.48x = 7,641,532.01
  5. Step 5: Solve for x
    x = 7,641,532.01/3,065.48
  6. Step 6: Final answer
    x = 2,492.77

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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.