Home / 2,877.31-4,316.53-1,122.25

Finding the Fourth Proportional to 2,877.31, 4,316.53 and 1,122.25

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Solution

The fourth proportional to 2,877.31, 4,316.53 and 1,122.25 is: 1,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.31 : 4,316.53 = 1,122.25 : x
  2. Step 2: Convert to fraction form
    2,877.31/4,316.53 = 1,122.25/x
  3. Step 3: Cross multiply
    2,877.31x = 4,316.53 × 1,122.25
  4. Step 4: Simplify right side
    2,877.31x = 4,844,206.80
  5. Step 5: Solve for x
    x = 4,844,206.80/2,877.31
  6. Step 6: Final answer
    x = 1,683.59

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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.