Home / 2,377.16-3,280.66-1,329.20

Finding the Fourth Proportional to 2,377.16, 3,280.66 and 1,329.20

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Solution

The fourth proportional to 2,377.16, 3,280.66 and 1,329.20 is: 1,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.16 : 3,280.66 = 1,329.20 : x
  2. Step 2: Convert to fraction form
    2,377.16/3,280.66 = 1,329.20/x
  3. Step 3: Cross multiply
    2,377.16x = 3,280.66 × 1,329.20
  4. Step 4: Simplify right side
    2,377.16x = 4,360,653.27
  5. Step 5: Solve for x
    x = 4,360,653.27/2,377.16
  6. Step 6: Final answer
    x = 1,834.40

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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.