Home / 2,680.99-4,018.74-1,036.90

Finding the Fourth Proportional to 2,680.99, 4,018.74 and 1,036.90

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Solution

The fourth proportional to 2,680.99, 4,018.74 and 1,036.90 is: 1,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.99 : 4,018.74 = 1,036.90 : x
  2. Step 2: Convert to fraction form
    2,680.99/4,018.74 = 1,036.90/x
  3. Step 3: Cross multiply
    2,680.99x = 4,018.74 × 1,036.90
  4. Step 4: Simplify right side
    2,680.99x = 4,167,031.51
  5. Step 5: Solve for x
    x = 4,167,031.51/2,680.99
  6. Step 6: Final answer
    x = 1,554.29

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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.