Home / 2,174.53-3,254.38-1,383.49

Finding the Fourth Proportional to 2,174.53, 3,254.38 and 1,383.49

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Solution

The fourth proportional to 2,174.53, 3,254.38 and 1,383.49 is: 2,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.53 : 3,254.38 = 1,383.49 : x
  2. Step 2: Convert to fraction form
    2,174.53/3,254.38 = 1,383.49/x
  3. Step 3: Cross multiply
    2,174.53x = 3,254.38 × 1,383.49
  4. Step 4: Simplify right side
    2,174.53x = 4,502,402.19
  5. Step 5: Solve for x
    x = 4,502,402.19/2,174.53
  6. Step 6: Final answer
    x = 2,070.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.