Home / 2,377.40-3,280.62-1,329.26

Finding the Fourth Proportional to 2,377.40, 3,280.62 and 1,329.26

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Solution

The fourth proportional to 2,377.40, 3,280.62 and 1,329.26 is: 1,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.40 : 3,280.62 = 1,329.26 : x
  2. Step 2: Convert to fraction form
    2,377.40/3,280.62 = 1,329.26/x
  3. Step 3: Cross multiply
    2,377.40x = 3,280.62 × 1,329.26
  4. Step 4: Simplify right side
    2,377.40x = 4,360,796.94
  5. Step 5: Solve for x
    x = 4,360,796.94/2,377.40
  6. Step 6: Final answer
    x = 1,834.27

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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.