Home / 1,792.70-2,688.30-1,608.18

Finding the Fourth Proportional to 1,792.70, 2,688.30 and 1,608.18

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Solution

The fourth proportional to 1,792.70, 2,688.30 and 1,608.18 is: 2,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.70 : 2,688.30 = 1,608.18 : x
  2. Step 2: Convert to fraction form
    1,792.70/2,688.30 = 1,608.18/x
  3. Step 3: Cross multiply
    1,792.70x = 2,688.30 × 1,608.18
  4. Step 4: Simplify right side
    1,792.70x = 4,323,270.29
  5. Step 5: Solve for x
    x = 4,323,270.29/1,792.70
  6. Step 6: Final answer
    x = 2,411.60

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1.5x scale

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.