Home / 2,085.28-2,877.18-1,201

Finding the Fourth Proportional to 2,085.28, 2,877.18 and 1,201

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Solution

The fourth proportional to 2,085.28, 2,877.18 and 1,201 is: 1,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.28 : 2,877.18 = 1,201 : x
  2. Step 2: Convert to fraction form
    2,085.28/2,877.18 = 1,201/x
  3. Step 3: Cross multiply
    2,085.28x = 2,877.18 × 1,201
  4. Step 4: Simplify right side
    2,085.28x = 3,455,493.18
  5. Step 5: Solve for x
    x = 3,455,493.18/2,085.28
  6. Step 6: Final answer
    x = 1,657.09

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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.