Home / 3,903.55-5,386.66-2,224.72

Finding the Fourth Proportional to 3,903.55, 5,386.66 and 2,224.72

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Solution

The fourth proportional to 3,903.55, 5,386.66 and 2,224.72 is: 3,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.55 : 5,386.66 = 2,224.72 : x
  2. Step 2: Convert to fraction form
    3,903.55/5,386.66 = 2,224.72/x
  3. Step 3: Cross multiply
    3,903.55x = 5,386.66 × 2,224.72
  4. Step 4: Simplify right side
    3,903.55x = 11,983,810.24
  5. Step 5: Solve for x
    x = 11,983,810.24/3,903.55
  6. Step 6: Final answer
    x = 3,069.98

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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.