Home / 1,693.05-2,336.34-946.95

Finding the Fourth Proportional to 1,693.05, 2,336.34 and 946.95

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Solution

The fourth proportional to 1,693.05, 2,336.34 and 946.95 is: 1,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.05 : 2,336.34 = 946.95 : x
  2. Step 2: Convert to fraction form
    1,693.05/2,336.34 = 946.95/x
  3. Step 3: Cross multiply
    1,693.05x = 2,336.34 × 946.95
  4. Step 4: Simplify right side
    1,693.05x = 2,212,397.16
  5. Step 5: Solve for x
    x = 2,212,397.16/1,693.05
  6. Step 6: Final answer
    x = 1,306.75

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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.