Home / 2,950.13-4,066.81-1,887.78

Finding the Fourth Proportional to 2,950.13, 4,066.81 and 1,887.78

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Solution

The fourth proportional to 2,950.13, 4,066.81 and 1,887.78 is: 2,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.13 : 4,066.81 = 1,887.78 : x
  2. Step 2: Convert to fraction form
    2,950.13/4,066.81 = 1,887.78/x
  3. Step 3: Cross multiply
    2,950.13x = 4,066.81 × 1,887.78
  4. Step 4: Simplify right side
    2,950.13x = 7,677,242.58
  5. Step 5: Solve for x
    x = 7,677,242.58/2,950.13
  6. Step 6: Final answer
    x = 2,602.34

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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.