Home / 1,854.96-2,776.68-1,342.32

Finding the Fourth Proportional to 1,854.96, 2,776.68 and 1,342.32

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Solution

The fourth proportional to 1,854.96, 2,776.68 and 1,342.32 is: 2,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.96 : 2,776.68 = 1,342.32 : x
  2. Step 2: Convert to fraction form
    1,854.96/2,776.68 = 1,342.32/x
  3. Step 3: Cross multiply
    1,854.96x = 2,776.68 × 1,342.32
  4. Step 4: Simplify right side
    1,854.96x = 3,727,193.10
  5. Step 5: Solve for x
    x = 3,727,193.10/1,854.96
  6. Step 6: Final answer
    x = 2,009.31

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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.