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Finding the Fourth Proportional to 1,598.93, 2,206.67 and 969.61

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Solution

The fourth proportional to 1,598.93, 2,206.67 and 969.61 is: 1,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.93 : 2,206.67 = 969.61 : x
  2. Step 2: Convert to fraction form
    1,598.93/2,206.67 = 969.61/x
  3. Step 3: Cross multiply
    1,598.93x = 2,206.67 × 969.61
  4. Step 4: Simplify right side
    1,598.93x = 2,139,609.30
  5. Step 5: Solve for x
    x = 2,139,609.30/1,598.93
  6. Step 6: Final answer
    x = 1,338.15

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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.