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Finding the Fourth Proportional to 3,607.07, 4,980.02 and 2,945.48

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Solution

The fourth proportional to 3,607.07, 4,980.02 and 2,945.48 is: 4,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.07 : 4,980.02 = 2,945.48 : x
  2. Step 2: Convert to fraction form
    3,607.07/4,980.02 = 2,945.48/x
  3. Step 3: Cross multiply
    3,607.07x = 4,980.02 × 2,945.48
  4. Step 4: Simplify right side
    3,607.07x = 14,668,509.68
  5. Step 5: Solve for x
    x = 14,668,509.68/3,607.07
  6. Step 6: Final answer
    x = 4,066.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.