Home / 2,812.07-4,218.26-732.08

Finding the Fourth Proportional to 2,812.07, 4,218.26 and 732.08

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Solution

The fourth proportional to 2,812.07, 4,218.26 and 732.08 is: 1,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.07 : 4,218.26 = 732.08 : x
  2. Step 2: Convert to fraction form
    2,812.07/4,218.26 = 732.08/x
  3. Step 3: Cross multiply
    2,812.07x = 4,218.26 × 732.08
  4. Step 4: Simplify right side
    2,812.07x = 3,088,110.67
  5. Step 5: Solve for x
    x = 3,088,110.67/2,812.07
  6. Step 6: Final answer
    x = 1,098.16

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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.