Home / 1,206.07-1,820.57-1,193.11

Finding the Fourth Proportional to 1,206.07, 1,820.57 and 1,193.11

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Solution

The fourth proportional to 1,206.07, 1,820.57 and 1,193.11 is: 1,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.07 : 1,820.57 = 1,193.11 : x
  2. Step 2: Convert to fraction form
    1,206.07/1,820.57 = 1,193.11/x
  3. Step 3: Cross multiply
    1,206.07x = 1,820.57 × 1,193.11
  4. Step 4: Simplify right side
    1,206.07x = 2,172,140.27
  5. Step 5: Solve for x
    x = 2,172,140.27/1,206.07
  6. Step 6: Final answer
    x = 1,801.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.