Home / 2,333.09-3,215.36-1,977.89

Finding the Fourth Proportional to 2,333.09, 3,215.36 and 1,977.89

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Solution

The fourth proportional to 2,333.09, 3,215.36 and 1,977.89 is: 2,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.09 : 3,215.36 = 1,977.89 : x
  2. Step 2: Convert to fraction form
    2,333.09/3,215.36 = 1,977.89/x
  3. Step 3: Cross multiply
    2,333.09x = 3,215.36 × 1,977.89
  4. Step 4: Simplify right side
    2,333.09x = 6,359,617.26
  5. Step 5: Solve for x
    x = 6,359,617.26/2,333.09
  6. Step 6: Final answer
    x = 2,725.83

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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.