Home / 1,860.38-2,565.10-1,362.84

Finding the Fourth Proportional to 1,860.38, 2,565.10 and 1,362.84

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Solution

The fourth proportional to 1,860.38, 2,565.10 and 1,362.84 is: 1,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.38 : 2,565.10 = 1,362.84 : x
  2. Step 2: Convert to fraction form
    1,860.38/2,565.10 = 1,362.84/x
  3. Step 3: Cross multiply
    1,860.38x = 2,565.10 × 1,362.84
  4. Step 4: Simplify right side
    1,860.38x = 3,495,820.88
  5. Step 5: Solve for x
    x = 3,495,820.88/1,860.38
  6. Step 6: Final answer
    x = 1,879.09

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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.