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Finding the Fourth Proportional to 1,552.65, 2,327.90 and 578.49

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Solution

The fourth proportional to 1,552.65, 2,327.90 and 578.49 is: 867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.65 : 2,327.90 = 578.49 : x
  2. Step 2: Convert to fraction form
    1,552.65/2,327.90 = 578.49/x
  3. Step 3: Cross multiply
    1,552.65x = 2,327.90 × 578.49
  4. Step 4: Simplify right side
    1,552.65x = 1,346,663.98
  5. Step 5: Solve for x
    x = 1,346,663.98/1,552.65
  6. Step 6: Final answer
    x = 867.33

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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.