Home / 2,201.55-3,038.17-1,206.76

Finding the Fourth Proportional to 2,201.55, 3,038.17 and 1,206.76

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Solution

The fourth proportional to 2,201.55, 3,038.17 and 1,206.76 is: 1,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.55 : 3,038.17 = 1,206.76 : x
  2. Step 2: Convert to fraction form
    2,201.55/3,038.17 = 1,206.76/x
  3. Step 3: Cross multiply
    2,201.55x = 3,038.17 × 1,206.76
  4. Step 4: Simplify right side
    2,201.55x = 3,666,342.03
  5. Step 5: Solve for x
    x = 3,666,342.03/2,201.55
  6. Step 6: Final answer
    x = 1,665.35

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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.