Home / 2,290.19-3,436.29-1,057.77

Finding the Fourth Proportional to 2,290.19, 3,436.29 and 1,057.77

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Solution

The fourth proportional to 2,290.19, 3,436.29 and 1,057.77 is: 1,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.19 : 3,436.29 = 1,057.77 : x
  2. Step 2: Convert to fraction form
    2,290.19/3,436.29 = 1,057.77/x
  3. Step 3: Cross multiply
    2,290.19x = 3,436.29 × 1,057.77
  4. Step 4: Simplify right side
    2,290.19x = 3,634,804.47
  5. Step 5: Solve for x
    x = 3,634,804.47/2,290.19
  6. Step 6: Final answer
    x = 1,587.12

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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.