Home / 3,016.53-4,155.01-2,130.79

Finding the Fourth Proportional to 3,016.53, 4,155.01 and 2,130.79

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Solution

The fourth proportional to 3,016.53, 4,155.01 and 2,130.79 is: 2,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.53 : 4,155.01 = 2,130.79 : x
  2. Step 2: Convert to fraction form
    3,016.53/4,155.01 = 2,130.79/x
  3. Step 3: Cross multiply
    3,016.53x = 4,155.01 × 2,130.79
  4. Step 4: Simplify right side
    3,016.53x = 8,853,453.76
  5. Step 5: Solve for x
    x = 8,853,453.76/3,016.53
  6. Step 6: Final answer
    x = 2,934.98

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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.