Home / 2,182.04-3,028.90-2,130.20

Finding the Fourth Proportional to 2,182.04, 3,028.90 and 2,130.20

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Solution

The fourth proportional to 2,182.04, 3,028.90 and 2,130.20 is: 2,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.04 : 3,028.90 = 2,130.20 : x
  2. Step 2: Convert to fraction form
    2,182.04/3,028.90 = 2,130.20/x
  3. Step 3: Cross multiply
    2,182.04x = 3,028.90 × 2,130.20
  4. Step 4: Simplify right side
    2,182.04x = 6,452,162.78
  5. Step 5: Solve for x
    x = 6,452,162.78/2,182.04
  6. Step 6: Final answer
    x = 2,956.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.