Home / 1,435.33-2,154.08-1,150.21

Finding the Fourth Proportional to 1,435.33, 2,154.08 and 1,150.21

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Solution

The fourth proportional to 1,435.33, 2,154.08 and 1,150.21 is: 1,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.33 : 2,154.08 = 1,150.21 : x
  2. Step 2: Convert to fraction form
    1,435.33/2,154.08 = 1,150.21/x
  3. Step 3: Cross multiply
    1,435.33x = 2,154.08 × 1,150.21
  4. Step 4: Simplify right side
    1,435.33x = 2,477,644.36
  5. Step 5: Solve for x
    x = 2,477,644.36/1,435.33
  6. Step 6: Final answer
    x = 1,726.18

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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.