Home / 3,066.64-4,598.80-1,311.57

Finding the Fourth Proportional to 3,066.64, 4,598.80 and 1,311.57

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Solution

The fourth proportional to 3,066.64, 4,598.80 and 1,311.57 is: 1,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.64 : 4,598.80 = 1,311.57 : x
  2. Step 2: Convert to fraction form
    3,066.64/4,598.80 = 1,311.57/x
  3. Step 3: Cross multiply
    3,066.64x = 4,598.80 × 1,311.57
  4. Step 4: Simplify right side
    3,066.64x = 6,031,648.12
  5. Step 5: Solve for x
    x = 6,031,648.12/3,066.64
  6. Step 6: Final answer
    x = 1,966.86

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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.