Home / 2,903.15-4,351.48-1,257.23

Finding the Fourth Proportional to 2,903.15, 4,351.48 and 1,257.23

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Solution

The fourth proportional to 2,903.15, 4,351.48 and 1,257.23 is: 1,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.15 : 4,351.48 = 1,257.23 : x
  2. Step 2: Convert to fraction form
    2,903.15/4,351.48 = 1,257.23/x
  3. Step 3: Cross multiply
    2,903.15x = 4,351.48 × 1,257.23
  4. Step 4: Simplify right side
    2,903.15x = 5,470,811.20
  5. Step 5: Solve for x
    x = 5,470,811.20/2,903.15
  6. Step 6: Final answer
    x = 1,884.44

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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.