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Finding the Fourth Proportional to 2,016.16, 3,024.32 and 555.20

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Solution

The fourth proportional to 2,016.16, 3,024.32 and 555.20 is: 832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.16 : 3,024.32 = 555.20 : x
  2. Step 2: Convert to fraction form
    2,016.16/3,024.32 = 555.20/x
  3. Step 3: Cross multiply
    2,016.16x = 3,024.32 × 555.20
  4. Step 4: Simplify right side
    2,016.16x = 1,679,102.46
  5. Step 5: Solve for x
    x = 1,679,102.46/2,016.16
  6. Step 6: Final answer
    x = 832.82

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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.