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Finding the Fourth Proportional to 3,056, 4,584 and 1,688

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Solution

The fourth proportional to 3,056, 4,584 and 1,688 is: 2,532

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056 : 4,584 = 1,688 : x
  2. Step 2: Convert to fraction form
    3,056/4,584 = 1,688/x
  3. Step 3: Cross multiply
    3,056x = 4,584 × 1,688
  4. Step 4: Simplify right side
    3,056x = 7,737,792
  5. Step 5: Solve for x
    x = 7,737,792/3,056
  6. Step 6: Final answer
    x = 2,532

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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.