Home / 2,036.24-2,809.90-1,317.16

Finding the Fourth Proportional to 2,036.24, 2,809.90 and 1,317.16

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Solution

The fourth proportional to 2,036.24, 2,809.90 and 1,317.16 is: 1,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.24 : 2,809.90 = 1,317.16 : x
  2. Step 2: Convert to fraction form
    2,036.24/2,809.90 = 1,317.16/x
  3. Step 3: Cross multiply
    2,036.24x = 2,809.90 × 1,317.16
  4. Step 4: Simplify right side
    2,036.24x = 3,701,087.88
  5. Step 5: Solve for x
    x = 3,701,087.88/2,036.24
  6. Step 6: Final answer
    x = 1,817.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.