Home / 1,693.62-2,337.01-985.37

Finding the Fourth Proportional to 1,693.62, 2,337.01 and 985.37

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Solution

The fourth proportional to 1,693.62, 2,337.01 and 985.37 is: 1,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.62 : 2,337.01 = 985.37 : x
  2. Step 2: Convert to fraction form
    1,693.62/2,337.01 = 985.37/x
  3. Step 3: Cross multiply
    1,693.62x = 2,337.01 × 985.37
  4. Step 4: Simplify right side
    1,693.62x = 2,302,814.16
  5. Step 5: Solve for x
    x = 2,302,814.16/1,693.62
  6. Step 6: Final answer
    x = 1,359.70

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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.