Home / 3,016.66-4,155.16-2,130.92

Finding the Fourth Proportional to 3,016.66, 4,155.16 and 2,130.92

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Solution

The fourth proportional to 3,016.66, 4,155.16 and 2,130.92 is: 2,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.66 : 4,155.16 = 2,130.92 : x
  2. Step 2: Convert to fraction form
    3,016.66/4,155.16 = 2,130.92/x
  3. Step 3: Cross multiply
    3,016.66x = 4,155.16 × 2,130.92
  4. Step 4: Simplify right side
    3,016.66x = 8,854,313.55
  5. Step 5: Solve for x
    x = 8,854,313.55/3,016.66
  6. Step 6: Final answer
    x = 2,935.14

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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.