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Finding the Fourth Proportional to 1,495.55, 2,237.85 and 879.54

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Solution

The fourth proportional to 1,495.55, 2,237.85 and 879.54 is: 1,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.55 : 2,237.85 = 879.54 : x
  2. Step 2: Convert to fraction form
    1,495.55/2,237.85 = 879.54/x
  3. Step 3: Cross multiply
    1,495.55x = 2,237.85 × 879.54
  4. Step 4: Simplify right side
    1,495.55x = 1,968,278.59
  5. Step 5: Solve for x
    x = 1,968,278.59/1,495.55
  6. Step 6: Final answer
    x = 1,316.09

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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.