Home / 1,812.27-2,501.02-1,418.61

Finding the Fourth Proportional to 1,812.27, 2,501.02 and 1,418.61

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Solution

The fourth proportional to 1,812.27, 2,501.02 and 1,418.61 is: 1,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.27 : 2,501.02 = 1,418.61 : x
  2. Step 2: Convert to fraction form
    1,812.27/2,501.02 = 1,418.61/x
  3. Step 3: Cross multiply
    1,812.27x = 2,501.02 × 1,418.61
  4. Step 4: Simplify right side
    1,812.27x = 3,547,971.98
  5. Step 5: Solve for x
    x = 3,547,971.98/1,812.27
  6. Step 6: Final answer
    x = 1,957.75

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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.