Home / 2,890.11-4,334.18-941.87

Finding the Fourth Proportional to 2,890.11, 4,334.18 and 941.87

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Solution

The fourth proportional to 2,890.11, 4,334.18 and 941.87 is: 1,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.11 : 4,334.18 = 941.87 : x
  2. Step 2: Convert to fraction form
    2,890.11/4,334.18 = 941.87/x
  3. Step 3: Cross multiply
    2,890.11x = 4,334.18 × 941.87
  4. Step 4: Simplify right side
    2,890.11x = 4,082,207.74
  5. Step 5: Solve for x
    x = 4,082,207.74/2,890.11
  6. Step 6: Final answer
    x = 1,412.47

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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.