Home / 2,555.70-3,835.80-1,514.40

Finding the Fourth Proportional to 2,555.70, 3,835.80 and 1,514.40

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Solution

The fourth proportional to 2,555.70, 3,835.80 and 1,514.40 is: 2,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.70 : 3,835.80 = 1,514.40 : x
  2. Step 2: Convert to fraction form
    2,555.70/3,835.80 = 1,514.40/x
  3. Step 3: Cross multiply
    2,555.70x = 3,835.80 × 1,514.40
  4. Step 4: Simplify right side
    2,555.70x = 5,808,935.52
  5. Step 5: Solve for x
    x = 5,808,935.52/2,555.70
  6. Step 6: Final answer
    x = 2,272.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.