Home / 3,066.68-4,230.58-1,887.32

Finding the Fourth Proportional to 3,066.68, 4,230.58 and 1,887.32

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Solution

The fourth proportional to 3,066.68, 4,230.58 and 1,887.32 is: 2,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.68 : 4,230.58 = 1,887.32 : x
  2. Step 2: Convert to fraction form
    3,066.68/4,230.58 = 1,887.32/x
  3. Step 3: Cross multiply
    3,066.68x = 4,230.58 × 1,887.32
  4. Step 4: Simplify right side
    3,066.68x = 7,984,458.25
  5. Step 5: Solve for x
    x = 7,984,458.25/3,066.68
  6. Step 6: Final answer
    x = 2,603.62

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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.