Home / 1,935.45-2,674.23-1,723.77

Finding the Fourth Proportional to 1,935.45, 2,674.23 and 1,723.77

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Solution

The fourth proportional to 1,935.45, 2,674.23 and 1,723.77 is: 2,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.45 : 2,674.23 = 1,723.77 : x
  2. Step 2: Convert to fraction form
    1,935.45/2,674.23 = 1,723.77/x
  3. Step 3: Cross multiply
    1,935.45x = 2,674.23 × 1,723.77
  4. Step 4: Simplify right side
    1,935.45x = 4,609,757.45
  5. Step 5: Solve for x
    x = 4,609,757.45/1,935.45
  6. Step 6: Final answer
    x = 2,381.75

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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.