Home / 2,176.05-3,002.95-1,181.33

Finding the Fourth Proportional to 2,176.05, 3,002.95 and 1,181.33

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Solution

The fourth proportional to 2,176.05, 3,002.95 and 1,181.33 is: 1,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.05 : 3,002.95 = 1,181.33 : x
  2. Step 2: Convert to fraction form
    2,176.05/3,002.95 = 1,181.33/x
  3. Step 3: Cross multiply
    2,176.05x = 3,002.95 × 1,181.33
  4. Step 4: Simplify right side
    2,176.05x = 3,547,472.65
  5. Step 5: Solve for x
    x = 3,547,472.65/2,176.05
  6. Step 6: Final answer
    x = 1,630.24

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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.