Home / 2,201.52-3,038.13-1,206.84

Finding the Fourth Proportional to 2,201.52, 3,038.13 and 1,206.84

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Solution

The fourth proportional to 2,201.52, 3,038.13 and 1,206.84 is: 1,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.52 : 3,038.13 = 1,206.84 : x
  2. Step 2: Convert to fraction form
    2,201.52/3,038.13 = 1,206.84/x
  3. Step 3: Cross multiply
    2,201.52x = 3,038.13 × 1,206.84
  4. Step 4: Simplify right side
    2,201.52x = 3,666,536.81
  5. Step 5: Solve for x
    x = 3,666,536.81/2,201.52
  6. Step 6: Final answer
    x = 1,665.46

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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.