Home / 1,670.05-2,304.64-1,007.27

Finding the Fourth Proportional to 1,670.05, 2,304.64 and 1,007.27

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Solution

The fourth proportional to 1,670.05, 2,304.64 and 1,007.27 is: 1,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.05 : 2,304.64 = 1,007.27 : x
  2. Step 2: Convert to fraction form
    1,670.05/2,304.64 = 1,007.27/x
  3. Step 3: Cross multiply
    1,670.05x = 2,304.64 × 1,007.27
  4. Step 4: Simplify right side
    1,670.05x = 2,321,394.73
  5. Step 5: Solve for x
    x = 2,321,394.73/1,670.05
  6. Step 6: Final answer
    x = 1,390.02

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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.