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Finding the Fourth Proportional to 3,602.91, 4,971.81 and 2,009.51

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Solution

The fourth proportional to 3,602.91, 4,971.81 and 2,009.51 is: 2,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.91 : 4,971.81 = 2,009.51 : x
  2. Step 2: Convert to fraction form
    3,602.91/4,971.81 = 2,009.51/x
  3. Step 3: Cross multiply
    3,602.91x = 4,971.81 × 2,009.51
  4. Step 4: Simplify right side
    3,602.91x = 9,990,903.23
  5. Step 5: Solve for x
    x = 9,990,903.23/3,602.91
  6. Step 6: Final answer
    x = 2,773.01

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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.