Home / 2,357.31-3,253.67-1,363.21

Finding the Fourth Proportional to 2,357.31, 3,253.67 and 1,363.21

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Solution

The fourth proportional to 2,357.31, 3,253.67 and 1,363.21 is: 1,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.31 : 3,253.67 = 1,363.21 : x
  2. Step 2: Convert to fraction form
    2,357.31/3,253.67 = 1,363.21/x
  3. Step 3: Cross multiply
    2,357.31x = 3,253.67 × 1,363.21
  4. Step 4: Simplify right side
    2,357.31x = 4,435,412.40
  5. Step 5: Solve for x
    x = 4,435,412.40/2,357.31
  6. Step 6: Final answer
    x = 1,881.56

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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.