Home / 1,584.18-2,374.34-1,122.09

Finding the Fourth Proportional to 1,584.18, 2,374.34 and 1,122.09

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Solution

The fourth proportional to 1,584.18, 2,374.34 and 1,122.09 is: 1,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.18 : 2,374.34 = 1,122.09 : x
  2. Step 2: Convert to fraction form
    1,584.18/2,374.34 = 1,122.09/x
  3. Step 3: Cross multiply
    1,584.18x = 2,374.34 × 1,122.09
  4. Step 4: Simplify right side
    1,584.18x = 2,664,223.17
  5. Step 5: Solve for x
    x = 2,664,223.17/1,584.18
  6. Step 6: Final answer
    x = 1,681.77

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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.