Home / 3,490.19-5,237.08-1,929.90

Finding the Fourth Proportional to 3,490.19, 5,237.08 and 1,929.90

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Solution

The fourth proportional to 3,490.19, 5,237.08 and 1,929.90 is: 2,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.19 : 5,237.08 = 1,929.90 : x
  2. Step 2: Convert to fraction form
    3,490.19/5,237.08 = 1,929.90/x
  3. Step 3: Cross multiply
    3,490.19x = 5,237.08 × 1,929.90
  4. Step 4: Simplify right side
    3,490.19x = 10,107,040.69
  5. Step 5: Solve for x
    x = 10,107,040.69/3,490.19
  6. Step 6: Final answer
    x = 2,895.84

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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.