Home / 2,492.19-3,436.36-1,861.65

Finding the Fourth Proportional to 2,492.19, 3,436.36 and 1,861.65

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Solution

The fourth proportional to 2,492.19, 3,436.36 and 1,861.65 is: 2,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.19 : 3,436.36 = 1,861.65 : x
  2. Step 2: Convert to fraction form
    2,492.19/3,436.36 = 1,861.65/x
  3. Step 3: Cross multiply
    2,492.19x = 3,436.36 × 1,861.65
  4. Step 4: Simplify right side
    2,492.19x = 6,397,311.85
  5. Step 5: Solve for x
    x = 6,397,311.85/2,492.19
  6. Step 6: Final answer
    x = 2,566.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.