Home / 1,618.67-2,234.30-1,059.50

Finding the Fourth Proportional to 1,618.67, 2,234.30 and 1,059.50

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Solution

The fourth proportional to 1,618.67, 2,234.30 and 1,059.50 is: 1,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.67 : 2,234.30 = 1,059.50 : x
  2. Step 2: Convert to fraction form
    1,618.67/2,234.30 = 1,059.50/x
  3. Step 3: Cross multiply
    1,618.67x = 2,234.30 × 1,059.50
  4. Step 4: Simplify right side
    1,618.67x = 2,367,224.38
  5. Step 5: Solve for x
    x = 2,367,224.38/1,618.67
  6. Step 6: Final answer
    x = 1,462.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.