Home / 2,077.31-2,865.40-1,237.44

Finding the Fourth Proportional to 2,077.31, 2,865.40 and 1,237.44

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Solution

The fourth proportional to 2,077.31, 2,865.40 and 1,237.44 is: 1,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.31 : 2,865.40 = 1,237.44 : x
  2. Step 2: Convert to fraction form
    2,077.31/2,865.40 = 1,237.44/x
  3. Step 3: Cross multiply
    2,077.31x = 2,865.40 × 1,237.44
  4. Step 4: Simplify right side
    2,077.31x = 3,545,760.58
  5. Step 5: Solve for x
    x = 3,545,760.58/2,077.31
  6. Step 6: Final answer
    x = 1,706.90

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1.5x scale

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.