Home / 2,127.54-2,935.36-1,330.99

Finding the Fourth Proportional to 2,127.54, 2,935.36 and 1,330.99

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Solution

The fourth proportional to 2,127.54, 2,935.36 and 1,330.99 is: 1,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.54 : 2,935.36 = 1,330.99 : x
  2. Step 2: Convert to fraction form
    2,127.54/2,935.36 = 1,330.99/x
  3. Step 3: Cross multiply
    2,127.54x = 2,935.36 × 1,330.99
  4. Step 4: Simplify right side
    2,127.54x = 3,906,953.51
  5. Step 5: Solve for x
    x = 3,906,953.51/2,127.54
  6. Step 6: Final answer
    x = 1,836.37

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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.