Home / 2,118.33-2,923.29-1,174.13

Finding the Fourth Proportional to 2,118.33, 2,923.29 and 1,174.13

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Solution

The fourth proportional to 2,118.33, 2,923.29 and 1,174.13 is: 1,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.33 : 2,923.29 = 1,174.13 : x
  2. Step 2: Convert to fraction form
    2,118.33/2,923.29 = 1,174.13/x
  3. Step 3: Cross multiply
    2,118.33x = 2,923.29 × 1,174.13
  4. Step 4: Simplify right side
    2,118.33x = 3,432,307.87
  5. Step 5: Solve for x
    x = 3,432,307.87/2,118.33
  6. Step 6: Final answer
    x = 1,620.29

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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.