Home / 1,584.16-2,376.12-488.56

Finding the Fourth Proportional to 1,584.16, 2,376.12 and 488.56

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Solution

The fourth proportional to 1,584.16, 2,376.12 and 488.56 is: 732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.16 : 2,376.12 = 488.56 : x
  2. Step 2: Convert to fraction form
    1,584.16/2,376.12 = 488.56/x
  3. Step 3: Cross multiply
    1,584.16x = 2,376.12 × 488.56
  4. Step 4: Simplify right side
    1,584.16x = 1,160,877.19
  5. Step 5: Solve for x
    x = 1,160,877.19/1,584.16
  6. Step 6: Final answer
    x = 732.80

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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.