Home / 3,621.22-5,432.86-1,156.23

Finding the Fourth Proportional to 3,621.22, 5,432.86 and 1,156.23

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Solution

The fourth proportional to 3,621.22, 5,432.86 and 1,156.23 is: 1,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.22 : 5,432.86 = 1,156.23 : x
  2. Step 2: Convert to fraction form
    3,621.22/5,432.86 = 1,156.23/x
  3. Step 3: Cross multiply
    3,621.22x = 5,432.86 × 1,156.23
  4. Step 4: Simplify right side
    3,621.22x = 6,281,632.83
  5. Step 5: Solve for x
    x = 6,281,632.83/3,621.22
  6. Step 6: Final answer
    x = 1,734.67

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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.