Home / 3,172.65-4,373.60-2,225.57

Finding the Fourth Proportional to 3,172.65, 4,373.60 and 2,225.57

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Solution

The fourth proportional to 3,172.65, 4,373.60 and 2,225.57 is: 3,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.65 : 4,373.60 = 2,225.57 : x
  2. Step 2: Convert to fraction form
    3,172.65/4,373.60 = 2,225.57/x
  3. Step 3: Cross multiply
    3,172.65x = 4,373.60 × 2,225.57
  4. Step 4: Simplify right side
    3,172.65x = 9,733,752.95
  5. Step 5: Solve for x
    x = 9,733,752.95/3,172.65
  6. Step 6: Final answer
    x = 3,068.02

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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.