Home / 2,183.48-3,012.35-1,437.81

Finding the Fourth Proportional to 2,183.48, 3,012.35 and 1,437.81

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Solution

The fourth proportional to 2,183.48, 3,012.35 and 1,437.81 is: 1,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.48 : 3,012.35 = 1,437.81 : x
  2. Step 2: Convert to fraction form
    2,183.48/3,012.35 = 1,437.81/x
  3. Step 3: Cross multiply
    2,183.48x = 3,012.35 × 1,437.81
  4. Step 4: Simplify right side
    2,183.48x = 4,331,186.95
  5. Step 5: Solve for x
    x = 4,331,186.95/2,183.48
  6. Step 6: Final answer
    x = 1,983.62

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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.