Home / 1,911.48-2,867.21-524.83

Finding the Fourth Proportional to 1,911.48, 2,867.21 and 524.83

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Solution

The fourth proportional to 1,911.48, 2,867.21 and 524.83 is: 787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.48 : 2,867.21 = 524.83 : x
  2. Step 2: Convert to fraction form
    1,911.48/2,867.21 = 524.83/x
  3. Step 3: Cross multiply
    1,911.48x = 2,867.21 × 524.83
  4. Step 4: Simplify right side
    1,911.48x = 1,504,798.33
  5. Step 5: Solve for x
    x = 1,504,798.33/1,911.48
  6. Step 6: Final answer
    x = 787.24

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1.5x scale

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.