Home / 1,787.98-2,466.93-1,088.86

Finding the Fourth Proportional to 1,787.98, 2,466.93 and 1,088.86

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Solution

The fourth proportional to 1,787.98, 2,466.93 and 1,088.86 is: 1,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.98 : 2,466.93 = 1,088.86 : x
  2. Step 2: Convert to fraction form
    1,787.98/2,466.93 = 1,088.86/x
  3. Step 3: Cross multiply
    1,787.98x = 2,466.93 × 1,088.86
  4. Step 4: Simplify right side
    1,787.98x = 2,686,141.40
  5. Step 5: Solve for x
    x = 2,686,141.40/1,787.98
  6. Step 6: Final answer
    x = 1,502.33

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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.