Home / 3,688.96-5,083.52-3,088.32

Finding the Fourth Proportional to 3,688.96, 5,083.52 and 3,088.32

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Solution

The fourth proportional to 3,688.96, 5,083.52 and 3,088.32 is: 4,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.96 : 5,083.52 = 3,088.32 : x
  2. Step 2: Convert to fraction form
    3,688.96/5,083.52 = 3,088.32/x
  3. Step 3: Cross multiply
    3,688.96x = 5,083.52 × 3,088.32
  4. Step 4: Simplify right side
    3,688.96x = 15,699,536.49
  5. Step 5: Solve for x
    x = 15,699,536.49/3,688.96
  6. Step 6: Final answer
    x = 4,255.82

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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.