Home / 3,049.35-4,572-1,405.02

Finding the Fourth Proportional to 3,049.35, 4,572 and 1,405.02

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Solution

The fourth proportional to 3,049.35, 4,572 and 1,405.02 is: 2,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.35 : 4,572 = 1,405.02 : x
  2. Step 2: Convert to fraction form
    3,049.35/4,572 = 1,405.02/x
  3. Step 3: Cross multiply
    3,049.35x = 4,572 × 1,405.02
  4. Step 4: Simplify right side
    3,049.35x = 6,423,751.44
  5. Step 5: Solve for x
    x = 6,423,751.44/3,049.35
  6. Step 6: Final answer
    x = 2,106.60

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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.