Home / 2,270.48-3,129.71-1,737.63

Finding the Fourth Proportional to 2,270.48, 3,129.71 and 1,737.63

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Solution

The fourth proportional to 2,270.48, 3,129.71 and 1,737.63 is: 2,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.48 : 3,129.71 = 1,737.63 : x
  2. Step 2: Convert to fraction form
    2,270.48/3,129.71 = 1,737.63/x
  3. Step 3: Cross multiply
    2,270.48x = 3,129.71 × 1,737.63
  4. Step 4: Simplify right side
    2,270.48x = 5,438,269.30
  5. Step 5: Solve for x
    x = 5,438,269.30/2,270.48
  6. Step 6: Final answer
    x = 2,395.21

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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.