Home / 1,854.49-2,559.03-1,191.32

Finding the Fourth Proportional to 1,854.49, 2,559.03 and 1,191.32

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Solution

The fourth proportional to 1,854.49, 2,559.03 and 1,191.32 is: 1,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.49 : 2,559.03 = 1,191.32 : x
  2. Step 2: Convert to fraction form
    1,854.49/2,559.03 = 1,191.32/x
  3. Step 3: Cross multiply
    1,854.49x = 2,559.03 × 1,191.32
  4. Step 4: Simplify right side
    1,854.49x = 3,048,623.62
  5. Step 5: Solve for x
    x = 3,048,623.62/1,854.49
  6. Step 6: Final answer
    x = 1,643.92

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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.