Home / 2,524.90-3,484.27-1,405.80

Finding the Fourth Proportional to 2,524.90, 3,484.27 and 1,405.80

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Solution

The fourth proportional to 2,524.90, 3,484.27 and 1,405.80 is: 1,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.90 : 3,484.27 = 1,405.80 : x
  2. Step 2: Convert to fraction form
    2,524.90/3,484.27 = 1,405.80/x
  3. Step 3: Cross multiply
    2,524.90x = 3,484.27 × 1,405.80
  4. Step 4: Simplify right side
    2,524.90x = 4,898,179.74
  5. Step 5: Solve for x
    x = 4,898,179.74/2,524.90
  6. Step 6: Final answer
    x = 1,939.95

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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.