Home / 2,127.13-2,933.81-1,888.11

Finding the Fourth Proportional to 2,127.13, 2,933.81 and 1,888.11

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Solution

The fourth proportional to 2,127.13, 2,933.81 and 1,888.11 is: 2,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.13 : 2,933.81 = 1,888.11 : x
  2. Step 2: Convert to fraction form
    2,127.13/2,933.81 = 1,888.11/x
  3. Step 3: Cross multiply
    2,127.13x = 2,933.81 × 1,888.11
  4. Step 4: Simplify right side
    2,127.13x = 5,539,356.00
  5. Step 5: Solve for x
    x = 5,539,356.00/2,127.13
  6. Step 6: Final answer
    x = 2,604.15

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