Home / 2,479.44-3,421.40-1,484.70

Finding the Fourth Proportional to 2,479.44, 3,421.40 and 1,484.70

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Solution

The fourth proportional to 2,479.44, 3,421.40 and 1,484.70 is: 2,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.44 : 3,421.40 = 1,484.70 : x
  2. Step 2: Convert to fraction form
    2,479.44/3,421.40 = 1,484.70/x
  3. Step 3: Cross multiply
    2,479.44x = 3,421.40 × 1,484.70
  4. Step 4: Simplify right side
    2,479.44x = 5,079,745.16
  5. Step 5: Solve for x
    x = 5,079,745.16/2,479.44
  6. Step 6: Final answer
    x = 2,048.75

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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.