Home / 2,030-2,801.40-1,244.36

Finding the Fourth Proportional to 2,030, 2,801.40 and 1,244.36

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Solution

The fourth proportional to 2,030, 2,801.40 and 1,244.36 is: 1,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030 : 2,801.40 = 1,244.36 : x
  2. Step 2: Convert to fraction form
    2,030/2,801.40 = 1,244.36/x
  3. Step 3: Cross multiply
    2,030x = 2,801.40 × 1,244.36
  4. Step 4: Simplify right side
    2,030x = 3,485,950.10
  5. Step 5: Solve for x
    x = 3,485,950.10/2,030
  6. Step 6: Final answer
    x = 1,717.22

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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.