Home / 1,927.93-2,660.54-1,088.81

Finding the Fourth Proportional to 1,927.93, 2,660.54 and 1,088.81

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Solution

The fourth proportional to 1,927.93, 2,660.54 and 1,088.81 is: 1,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.93 : 2,660.54 = 1,088.81 : x
  2. Step 2: Convert to fraction form
    1,927.93/2,660.54 = 1,088.81/x
  3. Step 3: Cross multiply
    1,927.93x = 2,660.54 × 1,088.81
  4. Step 4: Simplify right side
    1,927.93x = 2,896,822.56
  5. Step 5: Solve for x
    x = 2,896,822.56/1,927.93
  6. Step 6: Final answer
    x = 1,502.56

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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.