Home / 1,635.48-2,257.08-972.36

Finding the Fourth Proportional to 1,635.48, 2,257.08 and 972.36

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Solution

The fourth proportional to 1,635.48, 2,257.08 and 972.36 is: 1,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.48 : 2,257.08 = 972.36 : x
  2. Step 2: Convert to fraction form
    1,635.48/2,257.08 = 972.36/x
  3. Step 3: Cross multiply
    1,635.48x = 2,257.08 × 972.36
  4. Step 4: Simplify right side
    1,635.48x = 2,194,694.31
  5. Step 5: Solve for x
    x = 2,194,694.31/1,635.48
  6. Step 6: Final answer
    x = 1,341.93

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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.