Home / 3,625.18-5,439.93-1,316.86

Finding the Fourth Proportional to 3,625.18, 5,439.93 and 1,316.86

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Solution

The fourth proportional to 3,625.18, 5,439.93 and 1,316.86 is: 1,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.18 : 5,439.93 = 1,316.86 : x
  2. Step 2: Convert to fraction form
    3,625.18/5,439.93 = 1,316.86/x
  3. Step 3: Cross multiply
    3,625.18x = 5,439.93 × 1,316.86
  4. Step 4: Simplify right side
    3,625.18x = 7,163,626.22
  5. Step 5: Solve for x
    x = 7,163,626.22/3,625.18
  6. Step 6: Final answer
    x = 1,976.07

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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.