Home / 2,356.96-3,536.25-1,478.40

Finding the Fourth Proportional to 2,356.96, 3,536.25 and 1,478.40

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Solution

The fourth proportional to 2,356.96, 3,536.25 and 1,478.40 is: 2,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.96 : 3,536.25 = 1,478.40 : x
  2. Step 2: Convert to fraction form
    2,356.96/3,536.25 = 1,478.40/x
  3. Step 3: Cross multiply
    2,356.96x = 3,536.25 × 1,478.40
  4. Step 4: Simplify right side
    2,356.96x = 5,227,992
  5. Step 5: Solve for x
    x = 5,227,992/2,356.96
  6. Step 6: Final answer
    x = 2,218.11

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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.