Home / 2,265-3,126.08-1,333.32

Finding the Fourth Proportional to 2,265, 3,126.08 and 1,333.32

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Solution

The fourth proportional to 2,265, 3,126.08 and 1,333.32 is: 1,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265 : 3,126.08 = 1,333.32 : x
  2. Step 2: Convert to fraction form
    2,265/3,126.08 = 1,333.32/x
  3. Step 3: Cross multiply
    2,265x = 3,126.08 × 1,333.32
  4. Step 4: Simplify right side
    2,265x = 4,168,064.99
  5. Step 5: Solve for x
    x = 4,168,064.99/2,265
  6. Step 6: Final answer
    x = 1,840.21

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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.