Home / 3,621.08-5,430.22-1,542.07

Finding the Fourth Proportional to 3,621.08, 5,430.22 and 1,542.07

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Solution

The fourth proportional to 3,621.08, 5,430.22 and 1,542.07 is: 2,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.08 : 5,430.22 = 1,542.07 : x
  2. Step 2: Convert to fraction form
    3,621.08/5,430.22 = 1,542.07/x
  3. Step 3: Cross multiply
    3,621.08x = 5,430.22 × 1,542.07
  4. Step 4: Simplify right side
    3,621.08x = 8,373,782.29
  5. Step 5: Solve for x
    x = 8,373,782.29/3,621.08
  6. Step 6: Final answer
    x = 2,312.51

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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.