Home / 3,015.15-4,523.45-1,259.18

Finding the Fourth Proportional to 3,015.15, 4,523.45 and 1,259.18

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Solution

The fourth proportional to 3,015.15, 4,523.45 and 1,259.18 is: 1,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.15 : 4,523.45 = 1,259.18 : x
  2. Step 2: Convert to fraction form
    3,015.15/4,523.45 = 1,259.18/x
  3. Step 3: Cross multiply
    3,015.15x = 4,523.45 × 1,259.18
  4. Step 4: Simplify right side
    3,015.15x = 5,695,808.86
  5. Step 5: Solve for x
    x = 5,695,808.86/3,015.15
  6. Step 6: Final answer
    x = 1,889.06

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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.