Home / 1,475.34-2,213.82-1,271.22

Finding the Fourth Proportional to 1,475.34, 2,213.82 and 1,271.22

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Solution

The fourth proportional to 1,475.34, 2,213.82 and 1,271.22 is: 1,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.34 : 2,213.82 = 1,271.22 : x
  2. Step 2: Convert to fraction form
    1,475.34/2,213.82 = 1,271.22/x
  3. Step 3: Cross multiply
    1,475.34x = 2,213.82 × 1,271.22
  4. Step 4: Simplify right side
    1,475.34x = 2,814,252.26
  5. Step 5: Solve for x
    x = 2,814,252.26/1,475.34
  6. Step 6: Final answer
    x = 1,907.53

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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.