Home / 1,787.77-2,466.75-1,001.85

Finding the Fourth Proportional to 1,787.77, 2,466.75 and 1,001.85

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Solution

The fourth proportional to 1,787.77, 2,466.75 and 1,001.85 is: 1,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.77 : 2,466.75 = 1,001.85 : x
  2. Step 2: Convert to fraction form
    1,787.77/2,466.75 = 1,001.85/x
  3. Step 3: Cross multiply
    1,787.77x = 2,466.75 × 1,001.85
  4. Step 4: Simplify right side
    1,787.77x = 2,471,313.49
  5. Step 5: Solve for x
    x = 2,471,313.49/1,787.77
  6. Step 6: Final answer
    x = 1,382.34

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1.5x scale

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.