Home / 2,836.89-4,236.21-2,317.91

Finding the Fourth Proportional to 2,836.89, 4,236.21 and 2,317.91

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Solution

The fourth proportional to 2,836.89, 4,236.21 and 2,317.91 is: 3,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.89 : 4,236.21 = 2,317.91 : x
  2. Step 2: Convert to fraction form
    2,836.89/4,236.21 = 2,317.91/x
  3. Step 3: Cross multiply
    2,836.89x = 4,236.21 × 2,317.91
  4. Step 4: Simplify right side
    2,836.89x = 9,819,164.11
  5. Step 5: Solve for x
    x = 9,819,164.11/2,836.89
  6. Step 6: Final answer
    x = 3,461.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.