Home / 2,423.85-3,639.87-1,492.23

Finding the Fourth Proportional to 2,423.85, 3,639.87 and 1,492.23

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Solution

The fourth proportional to 2,423.85, 3,639.87 and 1,492.23 is: 2,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.85 : 3,639.87 = 1,492.23 : x
  2. Step 2: Convert to fraction form
    2,423.85/3,639.87 = 1,492.23/x
  3. Step 3: Cross multiply
    2,423.85x = 3,639.87 × 1,492.23
  4. Step 4: Simplify right side
    2,423.85x = 5,431,523.21
  5. Step 5: Solve for x
    x = 5,431,523.21/2,423.85
  6. Step 6: Final answer
    x = 2,240.87

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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.