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Finding the Fourth Proportional to 3,066.06, 4,599.12 and 874.84

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Solution

The fourth proportional to 3,066.06, 4,599.12 and 874.84 is: 1,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.06 : 4,599.12 = 874.84 : x
  2. Step 2: Convert to fraction form
    3,066.06/4,599.12 = 874.84/x
  3. Step 3: Cross multiply
    3,066.06x = 4,599.12 × 874.84
  4. Step 4: Simplify right side
    3,066.06x = 4,023,494.14
  5. Step 5: Solve for x
    x = 4,023,494.14/3,066.06
  6. Step 6: Final answer
    x = 1,312.27

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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.