Home / 2,437.54-3,364-1,389.68

Finding the Fourth Proportional to 2,437.54, 3,364 and 1,389.68

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Solution

The fourth proportional to 2,437.54, 3,364 and 1,389.68 is: 1,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.54 : 3,364 = 1,389.68 : x
  2. Step 2: Convert to fraction form
    2,437.54/3,364 = 1,389.68/x
  3. Step 3: Cross multiply
    2,437.54x = 3,364 × 1,389.68
  4. Step 4: Simplify right side
    2,437.54x = 4,674,883.52
  5. Step 5: Solve for x
    x = 4,674,883.52/2,437.54
  6. Step 6: Final answer
    x = 1,917.87

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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.