Home / 2,877.70-4,316.36-1,122.38

Finding the Fourth Proportional to 2,877.70, 4,316.36 and 1,122.38

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Solution

The fourth proportional to 2,877.70, 4,316.36 and 1,122.38 is: 1,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.70 : 4,316.36 = 1,122.38 : x
  2. Step 2: Convert to fraction form
    2,877.70/4,316.36 = 1,122.38/x
  3. Step 3: Cross multiply
    2,877.70x = 4,316.36 × 1,122.38
  4. Step 4: Simplify right side
    2,877.70x = 4,844,602.00
  5. Step 5: Solve for x
    x = 4,844,602.00/2,877.70
  6. Step 6: Final answer
    x = 1,683.50

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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.