Home / 1,853.20-2,555.40-1,834.48

Finding the Fourth Proportional to 1,853.20, 2,555.40 and 1,834.48

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Solution

The fourth proportional to 1,853.20, 2,555.40 and 1,834.48 is: 2,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.20 : 2,555.40 = 1,834.48 : x
  2. Step 2: Convert to fraction form
    1,853.20/2,555.40 = 1,834.48/x
  3. Step 3: Cross multiply
    1,853.20x = 2,555.40 × 1,834.48
  4. Step 4: Simplify right side
    1,853.20x = 4,687,830.19
  5. Step 5: Solve for x
    x = 4,687,830.19/1,853.20
  6. Step 6: Final answer
    x = 2,529.59

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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.