Home / 2,484.85-3,423.69-1,855.13

Finding the Fourth Proportional to 2,484.85, 3,423.69 and 1,855.13

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Solution

The fourth proportional to 2,484.85, 3,423.69 and 1,855.13 is: 2,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.85 : 3,423.69 = 1,855.13 : x
  2. Step 2: Convert to fraction form
    2,484.85/3,423.69 = 1,855.13/x
  3. Step 3: Cross multiply
    2,484.85x = 3,423.69 × 1,855.13
  4. Step 4: Simplify right side
    2,484.85x = 6,351,380.75
  5. Step 5: Solve for x
    x = 6,351,380.75/2,484.85
  6. Step 6: Final answer
    x = 2,556.04

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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.