Home / 2,895.13-4,339.80-1,139.03

Finding the Fourth Proportional to 2,895.13, 4,339.80 and 1,139.03

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Solution

The fourth proportional to 2,895.13, 4,339.80 and 1,139.03 is: 1,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.13 : 4,339.80 = 1,139.03 : x
  2. Step 2: Convert to fraction form
    2,895.13/4,339.80 = 1,139.03/x
  3. Step 3: Cross multiply
    2,895.13x = 4,339.80 × 1,139.03
  4. Step 4: Simplify right side
    2,895.13x = 4,943,162.39
  5. Step 5: Solve for x
    x = 4,943,162.39/2,895.13
  6. Step 6: Final answer
    x = 1,707.41

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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.