Home / 1,927.28-2,871.66-1,804.16

Finding the Fourth Proportional to 1,927.28, 2,871.66 and 1,804.16

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Solution

The fourth proportional to 1,927.28, 2,871.66 and 1,804.16 is: 2,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.28 : 2,871.66 = 1,804.16 : x
  2. Step 2: Convert to fraction form
    1,927.28/2,871.66 = 1,804.16/x
  3. Step 3: Cross multiply
    1,927.28x = 2,871.66 × 1,804.16
  4. Step 4: Simplify right side
    1,927.28x = 5,180,919.75
  5. Step 5: Solve for x
    x = 5,180,919.75/1,927.28
  6. Step 6: Final answer
    x = 2,688.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.