Home / 2,690.48-4,036.44-1,304.48

Finding the Fourth Proportional to 2,690.48, 4,036.44 and 1,304.48

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Solution

The fourth proportional to 2,690.48, 4,036.44 and 1,304.48 is: 1,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.48 : 4,036.44 = 1,304.48 : x
  2. Step 2: Convert to fraction form
    2,690.48/4,036.44 = 1,304.48/x
  3. Step 3: Cross multiply
    2,690.48x = 4,036.44 × 1,304.48
  4. Step 4: Simplify right side
    2,690.48x = 5,265,455.25
  5. Step 5: Solve for x
    x = 5,265,455.25/2,690.48
  6. Step 6: Final answer
    x = 1,957.07

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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.