Home / 1,351.17-2,026.53-529.38

Finding the Fourth Proportional to 1,351.17, 2,026.53 and 529.38

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Solution

The fourth proportional to 1,351.17, 2,026.53 and 529.38 is: 793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.17 : 2,026.53 = 529.38 : x
  2. Step 2: Convert to fraction form
    1,351.17/2,026.53 = 529.38/x
  3. Step 3: Cross multiply
    1,351.17x = 2,026.53 × 529.38
  4. Step 4: Simplify right side
    1,351.17x = 1,072,804.45
  5. Step 5: Solve for x
    x = 1,072,804.45/1,351.17
  6. Step 6: Final answer
    x = 793.98

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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.