Home / 1,923.70-2,659.89-1,677.67

Finding the Fourth Proportional to 1,923.70, 2,659.89 and 1,677.67

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Solution

The fourth proportional to 1,923.70, 2,659.89 and 1,677.67 is: 2,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.70 : 2,659.89 = 1,677.67 : x
  2. Step 2: Convert to fraction form
    1,923.70/2,659.89 = 1,677.67/x
  3. Step 3: Cross multiply
    1,923.70x = 2,659.89 × 1,677.67
  4. Step 4: Simplify right side
    1,923.70x = 4,462,417.66
  5. Step 5: Solve for x
    x = 4,462,417.66/1,923.70
  6. Step 6: Final answer
    x = 2,319.71

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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.