Home / 1,435.26-2,154.06-913.62

Finding the Fourth Proportional to 1,435.26, 2,154.06 and 913.62

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Solution

The fourth proportional to 1,435.26, 2,154.06 and 913.62 is: 1,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.26 : 2,154.06 = 913.62 : x
  2. Step 2: Convert to fraction form
    1,435.26/2,154.06 = 913.62/x
  3. Step 3: Cross multiply
    1,435.26x = 2,154.06 × 913.62
  4. Step 4: Simplify right side
    1,435.26x = 1,967,992.30
  5. Step 5: Solve for x
    x = 1,967,992.30/1,435.26
  6. Step 6: Final answer
    x = 1,371.17

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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.