Home / 3,386.82-5,080.23-1,437.66

Finding the Fourth Proportional to 3,386.82, 5,080.23 and 1,437.66

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Solution

The fourth proportional to 3,386.82, 5,080.23 and 1,437.66 is: 2,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.82 : 5,080.23 = 1,437.66 : x
  2. Step 2: Convert to fraction form
    3,386.82/5,080.23 = 1,437.66/x
  3. Step 3: Cross multiply
    3,386.82x = 5,080.23 × 1,437.66
  4. Step 4: Simplify right side
    3,386.82x = 7,303,643.46
  5. Step 5: Solve for x
    x = 7,303,643.46/3,386.82
  6. Step 6: Final answer
    x = 2,156.49

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Similar ratio
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1.5x scale

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.