Home / 1,931.19-2,902.49-1,604.25

Finding the Fourth Proportional to 1,931.19, 2,902.49 and 1,604.25

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Solution

The fourth proportional to 1,931.19, 2,902.49 and 1,604.25 is: 2,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.19 : 2,902.49 = 1,604.25 : x
  2. Step 2: Convert to fraction form
    1,931.19/2,902.49 = 1,604.25/x
  3. Step 3: Cross multiply
    1,931.19x = 2,902.49 × 1,604.25
  4. Step 4: Simplify right side
    1,931.19x = 4,656,311.56
  5. Step 5: Solve for x
    x = 4,656,311.56/1,931.19
  6. Step 6: Final answer
    x = 2,411.11

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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.