Home / 2,547.12-3,816.38-1,668.66

Finding the Fourth Proportional to 2,547.12, 3,816.38 and 1,668.66

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Solution

The fourth proportional to 2,547.12, 3,816.38 and 1,668.66 is: 2,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.12 : 3,816.38 = 1,668.66 : x
  2. Step 2: Convert to fraction form
    2,547.12/3,816.38 = 1,668.66/x
  3. Step 3: Cross multiply
    2,547.12x = 3,816.38 × 1,668.66
  4. Step 4: Simplify right side
    2,547.12x = 6,368,240.65
  5. Step 5: Solve for x
    x = 6,368,240.65/2,547.12
  6. Step 6: Final answer
    x = 2,500.17

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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.