Home / 1,854.48-2,557.80-1,359.12

Finding the Fourth Proportional to 1,854.48, 2,557.80 and 1,359.12

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Solution

The fourth proportional to 1,854.48, 2,557.80 and 1,359.12 is: 1,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.48 : 2,557.80 = 1,359.12 : x
  2. Step 2: Convert to fraction form
    1,854.48/2,557.80 = 1,359.12/x
  3. Step 3: Cross multiply
    1,854.48x = 2,557.80 × 1,359.12
  4. Step 4: Simplify right side
    1,854.48x = 3,476,357.14
  5. Step 5: Solve for x
    x = 3,476,357.14/1,854.48
  6. Step 6: Final answer
    x = 1,874.57

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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.