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Finding the Fourth Proportional to 2,047.08, 3,070.53 and 660.36

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Solution

The fourth proportional to 2,047.08, 3,070.53 and 660.36 is: 990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.08 : 3,070.53 = 660.36 : x
  2. Step 2: Convert to fraction form
    2,047.08/3,070.53 = 660.36/x
  3. Step 3: Cross multiply
    2,047.08x = 3,070.53 × 660.36
  4. Step 4: Simplify right side
    2,047.08x = 2,027,655.19
  5. Step 5: Solve for x
    x = 2,027,655.19/2,047.08
  6. Step 6: Final answer
    x = 990.51

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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.