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Finding the Fourth Proportional to 1,543.54, 2,315.22 and 504.22

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Solution

The fourth proportional to 1,543.54, 2,315.22 and 504.22 is: 756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.54 : 2,315.22 = 504.22 : x
  2. Step 2: Convert to fraction form
    1,543.54/2,315.22 = 504.22/x
  3. Step 3: Cross multiply
    1,543.54x = 2,315.22 × 504.22
  4. Step 4: Simplify right side
    1,543.54x = 1,167,380.23
  5. Step 5: Solve for x
    x = 1,167,380.23/1,543.54
  6. Step 6: Final answer
    x = 756.30

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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.