Home / 2,333.32-3,220.10-1,285.48

Finding the Fourth Proportional to 2,333.32, 3,220.10 and 1,285.48

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Solution

The fourth proportional to 2,333.32, 3,220.10 and 1,285.48 is: 1,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.32 : 3,220.10 = 1,285.48 : x
  2. Step 2: Convert to fraction form
    2,333.32/3,220.10 = 1,285.48/x
  3. Step 3: Cross multiply
    2,333.32x = 3,220.10 × 1,285.48
  4. Step 4: Simplify right side
    2,333.32x = 4,139,374.15
  5. Step 5: Solve for x
    x = 4,139,374.15/2,333.32
  6. Step 6: Final answer
    x = 1,774.03

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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.