Home / 2,941.23-4,412.58-861.18

Finding the Fourth Proportional to 2,941.23, 4,412.58 and 861.18

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Solution

The fourth proportional to 2,941.23, 4,412.58 and 861.18 is: 1,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.23 : 4,412.58 = 861.18 : x
  2. Step 2: Convert to fraction form
    2,941.23/4,412.58 = 861.18/x
  3. Step 3: Cross multiply
    2,941.23x = 4,412.58 × 861.18
  4. Step 4: Simplify right side
    2,941.23x = 3,800,025.64
  5. Step 5: Solve for x
    x = 3,800,025.64/2,941.23
  6. Step 6: Final answer
    x = 1,291.99

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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.