Home / 3,541.53-4,887.69-2,215.66

Finding the Fourth Proportional to 3,541.53, 4,887.69 and 2,215.66

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Solution

The fourth proportional to 3,541.53, 4,887.69 and 2,215.66 is: 3,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.53 : 4,887.69 = 2,215.66 : x
  2. Step 2: Convert to fraction form
    3,541.53/4,887.69 = 2,215.66/x
  3. Step 3: Cross multiply
    3,541.53x = 4,887.69 × 2,215.66
  4. Step 4: Simplify right side
    3,541.53x = 10,829,459.23
  5. Step 5: Solve for x
    x = 10,829,459.23/3,541.53
  6. Step 6: Final answer
    x = 3,057.85

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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.