Home / 1,601.08-2,401.21-627.19

Finding the Fourth Proportional to 1,601.08, 2,401.21 and 627.19

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Solution

The fourth proportional to 1,601.08, 2,401.21 and 627.19 is: 940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.08 : 2,401.21 = 627.19 : x
  2. Step 2: Convert to fraction form
    1,601.08/2,401.21 = 627.19/x
  3. Step 3: Cross multiply
    1,601.08x = 2,401.21 × 627.19
  4. Step 4: Simplify right side
    1,601.08x = 1,506,014.90
  5. Step 5: Solve for x
    x = 1,506,014.90/1,601.08
  6. Step 6: Final answer
    x = 940.62

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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.