Home / 2,437.96-3,364.18-1,389.80

Finding the Fourth Proportional to 2,437.96, 3,364.18 and 1,389.80

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Solution

The fourth proportional to 2,437.96, 3,364.18 and 1,389.80 is: 1,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.96 : 3,364.18 = 1,389.80 : x
  2. Step 2: Convert to fraction form
    2,437.96/3,364.18 = 1,389.80/x
  3. Step 3: Cross multiply
    2,437.96x = 3,364.18 × 1,389.80
  4. Step 4: Simplify right side
    2,437.96x = 4,675,537.36
  5. Step 5: Solve for x
    x = 4,675,537.36/2,437.96
  6. Step 6: Final answer
    x = 1,917.81

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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.