Home / 3,210.36-4,428.75-2,266.32

Finding the Fourth Proportional to 3,210.36, 4,428.75 and 2,266.32

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Solution

The fourth proportional to 3,210.36, 4,428.75 and 2,266.32 is: 3,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.36 : 4,428.75 = 2,266.32 : x
  2. Step 2: Convert to fraction form
    3,210.36/4,428.75 = 2,266.32/x
  3. Step 3: Cross multiply
    3,210.36x = 4,428.75 × 2,266.32
  4. Step 4: Simplify right side
    3,210.36x = 10,036,964.70
  5. Step 5: Solve for x
    x = 10,036,964.70/3,210.36
  6. Step 6: Final answer
    x = 3,126.43

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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.