Home / 1,787.46-2,681.63-1,443.91

Finding the Fourth Proportional to 1,787.46, 2,681.63 and 1,443.91

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Solution

The fourth proportional to 1,787.46, 2,681.63 and 1,443.91 is: 2,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.46 : 2,681.63 = 1,443.91 : x
  2. Step 2: Convert to fraction form
    1,787.46/2,681.63 = 1,443.91/x
  3. Step 3: Cross multiply
    1,787.46x = 2,681.63 × 1,443.91
  4. Step 4: Simplify right side
    1,787.46x = 3,872,011.75
  5. Step 5: Solve for x
    x = 3,872,011.75/1,787.46
  6. Step 6: Final answer
    x = 2,166.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.