Home / 4,205.20-6,306.16-1,606.72

Finding the Fourth Proportional to 4,205.20, 6,306.16 and 1,606.72

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Solution

The fourth proportional to 4,205.20, 6,306.16 and 1,606.72 is: 2,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.20 : 6,306.16 = 1,606.72 : x
  2. Step 2: Convert to fraction form
    4,205.20/6,306.16 = 1,606.72/x
  3. Step 3: Cross multiply
    4,205.20x = 6,306.16 × 1,606.72
  4. Step 4: Simplify right side
    4,205.20x = 10,132,233.40
  5. Step 5: Solve for x
    x = 10,132,233.40/4,205.20
  6. Step 6: Final answer
    x = 2,409.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.