Home / 2,216.61-3,039.06-2,177.10

Finding the Fourth Proportional to 2,216.61, 3,039.06 and 2,177.10

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Solution

The fourth proportional to 2,216.61, 3,039.06 and 2,177.10 is: 2,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.61 : 3,039.06 = 2,177.10 : x
  2. Step 2: Convert to fraction form
    2,216.61/3,039.06 = 2,177.10/x
  3. Step 3: Cross multiply
    2,216.61x = 3,039.06 × 2,177.10
  4. Step 4: Simplify right side
    2,216.61x = 6,616,337.53
  5. Step 5: Solve for x
    x = 6,616,337.53/2,216.61
  6. Step 6: Final answer
    x = 2,984.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.