Home / 1,787.65-2,466.66-1,124.03

Finding the Fourth Proportional to 1,787.65, 2,466.66 and 1,124.03

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Solution

The fourth proportional to 1,787.65, 2,466.66 and 1,124.03 is: 1,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.65 : 2,466.66 = 1,124.03 : x
  2. Step 2: Convert to fraction form
    1,787.65/2,466.66 = 1,124.03/x
  3. Step 3: Cross multiply
    1,787.65x = 2,466.66 × 1,124.03
  4. Step 4: Simplify right side
    1,787.65x = 2,772,599.84
  5. Step 5: Solve for x
    x = 2,772,599.84/1,787.65
  6. Step 6: Final answer
    x = 1,550.97

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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.