Home / 2,118.08-2,923.14-1,174.10

Finding the Fourth Proportional to 2,118.08, 2,923.14 and 1,174.10

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Solution

The fourth proportional to 2,118.08, 2,923.14 and 1,174.10 is: 1,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.08 : 2,923.14 = 1,174.10 : x
  2. Step 2: Convert to fraction form
    2,118.08/2,923.14 = 1,174.10/x
  3. Step 3: Cross multiply
    2,118.08x = 2,923.14 × 1,174.10
  4. Step 4: Simplify right side
    2,118.08x = 3,432,044.06
  5. Step 5: Solve for x
    x = 3,432,044.06/2,118.08
  6. Step 6: Final answer
    x = 1,620.36

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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.