Home / 3,688.35-5,084.55-2,802.62

Finding the Fourth Proportional to 3,688.35, 5,084.55 and 2,802.62

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Solution

The fourth proportional to 3,688.35, 5,084.55 and 2,802.62 is: 3,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.35 : 5,084.55 = 2,802.62 : x
  2. Step 2: Convert to fraction form
    3,688.35/5,084.55 = 2,802.62/x
  3. Step 3: Cross multiply
    3,688.35x = 5,084.55 × 2,802.62
  4. Step 4: Simplify right side
    3,688.35x = 14,250,036.10
  5. Step 5: Solve for x
    x = 14,250,036.10/3,688.35
  6. Step 6: Final answer
    x = 3,863.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.