Home / 2,673.29-4,010.70-918.53

Finding the Fourth Proportional to 2,673.29, 4,010.70 and 918.53

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Solution

The fourth proportional to 2,673.29, 4,010.70 and 918.53 is: 1,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.29 : 4,010.70 = 918.53 : x
  2. Step 2: Convert to fraction form
    2,673.29/4,010.70 = 918.53/x
  3. Step 3: Cross multiply
    2,673.29x = 4,010.70 × 918.53
  4. Step 4: Simplify right side
    2,673.29x = 3,683,948.27
  5. Step 5: Solve for x
    x = 3,683,948.27/2,673.29
  6. Step 6: Final answer
    x = 1,378.06

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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.