Home / 3,648.70-5,035.53-2,077.30

Finding the Fourth Proportional to 3,648.70, 5,035.53 and 2,077.30

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Solution

The fourth proportional to 3,648.70, 5,035.53 and 2,077.30 is: 2,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.70 : 5,035.53 = 2,077.30 : x
  2. Step 2: Convert to fraction form
    3,648.70/5,035.53 = 2,077.30/x
  3. Step 3: Cross multiply
    3,648.70x = 5,035.53 × 2,077.30
  4. Step 4: Simplify right side
    3,648.70x = 10,460,306.47
  5. Step 5: Solve for x
    x = 10,460,306.47/3,648.70
  6. Step 6: Final answer
    x = 2,866.86

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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.