Home / 2,931.72-4,398.21-1,544.31

Finding the Fourth Proportional to 2,931.72, 4,398.21 and 1,544.31

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Solution

The fourth proportional to 2,931.72, 4,398.21 and 1,544.31 is: 2,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.72 : 4,398.21 = 1,544.31 : x
  2. Step 2: Convert to fraction form
    2,931.72/4,398.21 = 1,544.31/x
  3. Step 3: Cross multiply
    2,931.72x = 4,398.21 × 1,544.31
  4. Step 4: Simplify right side
    2,931.72x = 6,792,199.69
  5. Step 5: Solve for x
    x = 6,792,199.69/2,931.72
  6. Step 6: Final answer
    x = 2,316.80

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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.