Home / 2,118.94-2,924.08-1,174.69

Finding the Fourth Proportional to 2,118.94, 2,924.08 and 1,174.69

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Solution

The fourth proportional to 2,118.94, 2,924.08 and 1,174.69 is: 1,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.94 : 2,924.08 = 1,174.69 : x
  2. Step 2: Convert to fraction form
    2,118.94/2,924.08 = 1,174.69/x
  3. Step 3: Cross multiply
    2,118.94x = 2,924.08 × 1,174.69
  4. Step 4: Simplify right side
    2,118.94x = 3,434,887.54
  5. Step 5: Solve for x
    x = 3,434,887.54/2,118.94
  6. Step 6: Final answer
    x = 1,621.04

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Half scale
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Double scale
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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.