Home / 1,475.09-2,212.22-435.14

Finding the Fourth Proportional to 1,475.09, 2,212.22 and 435.14

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Solution

The fourth proportional to 1,475.09, 2,212.22 and 435.14 is: 652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.09 : 2,212.22 = 435.14 : x
  2. Step 2: Convert to fraction form
    1,475.09/2,212.22 = 435.14/x
  3. Step 3: Cross multiply
    1,475.09x = 2,212.22 × 435.14
  4. Step 4: Simplify right side
    1,475.09x = 962,612.17
  5. Step 5: Solve for x
    x = 962,612.17/1,475.09
  6. Step 6: Final answer
    x = 652.58

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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.