Home / 2,377.32-3,280.68-1,329.39

Finding the Fourth Proportional to 2,377.32, 3,280.68 and 1,329.39

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Solution

The fourth proportional to 2,377.32, 3,280.68 and 1,329.39 is: 1,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.32 : 3,280.68 = 1,329.39 : x
  2. Step 2: Convert to fraction form
    2,377.32/3,280.68 = 1,329.39/x
  3. Step 3: Cross multiply
    2,377.32x = 3,280.68 × 1,329.39
  4. Step 4: Simplify right side
    2,377.32x = 4,361,303.19
  5. Step 5: Solve for x
    x = 4,361,303.19/2,377.32
  6. Step 6: Final answer
    x = 1,834.55

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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.