Home / 2,370.12-3,270.84-1,307.94

Finding the Fourth Proportional to 2,370.12, 3,270.84 and 1,307.94

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Solution

The fourth proportional to 2,370.12, 3,270.84 and 1,307.94 is: 1,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.12 : 3,270.84 = 1,307.94 : x
  2. Step 2: Convert to fraction form
    2,370.12/3,270.84 = 1,307.94/x
  3. Step 3: Cross multiply
    2,370.12x = 3,270.84 × 1,307.94
  4. Step 4: Simplify right side
    2,370.12x = 4,278,062.47
  5. Step 5: Solve for x
    x = 4,278,062.47/2,370.12
  6. Step 6: Final answer
    x = 1,805.00

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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.