Home / 1,670.05-2,304.75-1,007.13

Finding the Fourth Proportional to 1,670.05, 2,304.75 and 1,007.13

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Solution

The fourth proportional to 1,670.05, 2,304.75 and 1,007.13 is: 1,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.05 : 2,304.75 = 1,007.13 : x
  2. Step 2: Convert to fraction form
    1,670.05/2,304.75 = 1,007.13/x
  3. Step 3: Cross multiply
    1,670.05x = 2,304.75 × 1,007.13
  4. Step 4: Simplify right side
    1,670.05x = 2,321,195.29
  5. Step 5: Solve for x
    x = 2,321,195.29/1,670.05
  6. Step 6: Final answer
    x = 1,389.89

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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.