Home / 1,555.43-2,334.11-582.21

Finding the Fourth Proportional to 1,555.43, 2,334.11 and 582.21

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Solution

The fourth proportional to 1,555.43, 2,334.11 and 582.21 is: 873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.43 : 2,334.11 = 582.21 : x
  2. Step 2: Convert to fraction form
    1,555.43/2,334.11 = 582.21/x
  3. Step 3: Cross multiply
    1,555.43x = 2,334.11 × 582.21
  4. Step 4: Simplify right side
    1,555.43x = 1,358,939.27
  5. Step 5: Solve for x
    x = 1,358,939.27/1,555.43
  6. Step 6: Final answer
    x = 873.68

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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.