Home / 3,089.30-4,634.26-898.05

Finding the Fourth Proportional to 3,089.30, 4,634.26 and 898.05

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Solution

The fourth proportional to 3,089.30, 4,634.26 and 898.05 is: 1,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.30 : 4,634.26 = 898.05 : x
  2. Step 2: Convert to fraction form
    3,089.30/4,634.26 = 898.05/x
  3. Step 3: Cross multiply
    3,089.30x = 4,634.26 × 898.05
  4. Step 4: Simplify right side
    3,089.30x = 4,161,792.70
  5. Step 5: Solve for x
    x = 4,161,792.70/3,089.30
  6. Step 6: Final answer
    x = 1,347.16

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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.