Home / 2,393.14-3,586.47-1,239.70

Finding the Fourth Proportional to 2,393.14, 3,586.47 and 1,239.70

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Solution

The fourth proportional to 2,393.14, 3,586.47 and 1,239.70 is: 1,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.14 : 3,586.47 = 1,239.70 : x
  2. Step 2: Convert to fraction form
    2,393.14/3,586.47 = 1,239.70/x
  3. Step 3: Cross multiply
    2,393.14x = 3,586.47 × 1,239.70
  4. Step 4: Simplify right side
    2,393.14x = 4,446,146.86
  5. Step 5: Solve for x
    x = 4,446,146.86/2,393.14
  6. Step 6: Final answer
    x = 1,857.87

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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.