Home / 2,286.86-3,430.52-621.01

Finding the Fourth Proportional to 2,286.86, 3,430.52 and 621.01

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Solution

The fourth proportional to 2,286.86, 3,430.52 and 621.01 is: 931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.86 : 3,430.52 = 621.01 : x
  2. Step 2: Convert to fraction form
    2,286.86/3,430.52 = 621.01/x
  3. Step 3: Cross multiply
    2,286.86x = 3,430.52 × 621.01
  4. Step 4: Simplify right side
    2,286.86x = 2,130,398.33
  5. Step 5: Solve for x
    x = 2,130,398.33/2,286.86
  6. Step 6: Final answer
    x = 931.58

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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.