Home / 3,146.40-4,719.32-1,066.35

Finding the Fourth Proportional to 3,146.40, 4,719.32 and 1,066.35

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Solution

The fourth proportional to 3,146.40, 4,719.32 and 1,066.35 is: 1,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.40 : 4,719.32 = 1,066.35 : x
  2. Step 2: Convert to fraction form
    3,146.40/4,719.32 = 1,066.35/x
  3. Step 3: Cross multiply
    3,146.40x = 4,719.32 × 1,066.35
  4. Step 4: Simplify right side
    3,146.40x = 5,032,463.25
  5. Step 5: Solve for x
    x = 5,032,463.25/3,146.40
  6. Step 6: Final answer
    x = 1,599.44

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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.