Home / 2,117.47-2,922.10-1,173.26

Finding the Fourth Proportional to 2,117.47, 2,922.10 and 1,173.26

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Solution

The fourth proportional to 2,117.47, 2,922.10 and 1,173.26 is: 1,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.47 : 2,922.10 = 1,173.26 : x
  2. Step 2: Convert to fraction form
    2,117.47/2,922.10 = 1,173.26/x
  3. Step 3: Cross multiply
    2,117.47x = 2,922.10 × 1,173.26
  4. Step 4: Simplify right side
    2,117.47x = 3,428,383.05
  5. Step 5: Solve for x
    x = 3,428,383.05/2,117.47
  6. Step 6: Final answer
    x = 1,619.09

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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.