Home / 2,635.52-3,637.03-1,440.47

Finding the Fourth Proportional to 2,635.52, 3,637.03 and 1,440.47

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Solution

The fourth proportional to 2,635.52, 3,637.03 and 1,440.47 is: 1,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.52 : 3,637.03 = 1,440.47 : x
  2. Step 2: Convert to fraction form
    2,635.52/3,637.03 = 1,440.47/x
  3. Step 3: Cross multiply
    2,635.52x = 3,637.03 × 1,440.47
  4. Step 4: Simplify right side
    2,635.52x = 5,239,032.60
  5. Step 5: Solve for x
    x = 5,239,032.60/2,635.52
  6. Step 6: Final answer
    x = 1,987.86

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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.