Home / 2,118.34-2,923.21-1,174.07

Finding the Fourth Proportional to 2,118.34, 2,923.21 and 1,174.07

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Solution

The fourth proportional to 2,118.34, 2,923.21 and 1,174.07 is: 1,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.34 : 2,923.21 = 1,174.07 : x
  2. Step 2: Convert to fraction form
    2,118.34/2,923.21 = 1,174.07/x
  3. Step 3: Cross multiply
    2,118.34x = 2,923.21 × 1,174.07
  4. Step 4: Simplify right side
    2,118.34x = 3,432,053.16
  5. Step 5: Solve for x
    x = 3,432,053.16/2,118.34
  6. Step 6: Final answer
    x = 1,620.16

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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.