Home / 2,137.29-3,204.60-904.05

Finding the Fourth Proportional to 2,137.29, 3,204.60 and 904.05

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Solution

The fourth proportional to 2,137.29, 3,204.60 and 904.05 is: 1,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.29 : 3,204.60 = 904.05 : x
  2. Step 2: Convert to fraction form
    2,137.29/3,204.60 = 904.05/x
  3. Step 3: Cross multiply
    2,137.29x = 3,204.60 × 904.05
  4. Step 4: Simplify right side
    2,137.29x = 2,897,118.63
  5. Step 5: Solve for x
    x = 2,897,118.63/2,137.29
  6. Step 6: Final answer
    x = 1,355.51

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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.