Home / 2,453.09-3,381.95-1,665.77

Finding the Fourth Proportional to 2,453.09, 3,381.95 and 1,665.77

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Solution

The fourth proportional to 2,453.09, 3,381.95 and 1,665.77 is: 2,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.09 : 3,381.95 = 1,665.77 : x
  2. Step 2: Convert to fraction form
    2,453.09/3,381.95 = 1,665.77/x
  3. Step 3: Cross multiply
    2,453.09x = 3,381.95 × 1,665.77
  4. Step 4: Simplify right side
    2,453.09x = 5,633,525.61
  5. Step 5: Solve for x
    x = 5,633,525.61/2,453.09
  6. Step 6: Final answer
    x = 2,296.51

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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.