Home / 3,287.51-4,930.18-1,095.65

Finding the Fourth Proportional to 3,287.51, 4,930.18 and 1,095.65

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Solution

The fourth proportional to 3,287.51, 4,930.18 and 1,095.65 is: 1,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.51 : 4,930.18 = 1,095.65 : x
  2. Step 2: Convert to fraction form
    3,287.51/4,930.18 = 1,095.65/x
  3. Step 3: Cross multiply
    3,287.51x = 4,930.18 × 1,095.65
  4. Step 4: Simplify right side
    3,287.51x = 5,401,751.72
  5. Step 5: Solve for x
    x = 5,401,751.72/3,287.51
  6. Step 6: Final answer
    x = 1,643.11

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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.