Home / 3,519.65-5,280.73-1,672.25

Finding the Fourth Proportional to 3,519.65, 5,280.73 and 1,672.25

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Solution

The fourth proportional to 3,519.65, 5,280.73 and 1,672.25 is: 2,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.65 : 5,280.73 = 1,672.25 : x
  2. Step 2: Convert to fraction form
    3,519.65/5,280.73 = 1,672.25/x
  3. Step 3: Cross multiply
    3,519.65x = 5,280.73 × 1,672.25
  4. Step 4: Simplify right side
    3,519.65x = 8,830,670.16
  5. Step 5: Solve for x
    x = 8,830,670.16/3,519.65
  6. Step 6: Final answer
    x = 2,508.96

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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.