Home / 2,790.66-4,186.26-1,036.12

Finding the Fourth Proportional to 2,790.66, 4,186.26 and 1,036.12

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Solution

The fourth proportional to 2,790.66, 4,186.26 and 1,036.12 is: 1,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.66 : 4,186.26 = 1,036.12 : x
  2. Step 2: Convert to fraction form
    2,790.66/4,186.26 = 1,036.12/x
  3. Step 3: Cross multiply
    2,790.66x = 4,186.26 × 1,036.12
  4. Step 4: Simplify right side
    2,790.66x = 4,337,467.71
  5. Step 5: Solve for x
    x = 4,337,467.71/2,790.66
  6. Step 6: Final answer
    x = 1,554.28

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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.