Home / 3,622.16-5,430.38-1,542.48

Finding the Fourth Proportional to 3,622.16, 5,430.38 and 1,542.48

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Solution

The fourth proportional to 3,622.16, 5,430.38 and 1,542.48 is: 2,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.16 : 5,430.38 = 1,542.48 : x
  2. Step 2: Convert to fraction form
    3,622.16/5,430.38 = 1,542.48/x
  3. Step 3: Cross multiply
    3,622.16x = 5,430.38 × 1,542.48
  4. Step 4: Simplify right side
    3,622.16x = 8,376,252.54
  5. Step 5: Solve for x
    x = 8,376,252.54/3,622.16
  6. Step 6: Final answer
    x = 2,312.50

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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.