Home / 3,135.16-4,326.52-1,718.94

Finding the Fourth Proportional to 3,135.16, 4,326.52 and 1,718.94

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Solution

The fourth proportional to 3,135.16, 4,326.52 and 1,718.94 is: 2,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.16 : 4,326.52 = 1,718.94 : x
  2. Step 2: Convert to fraction form
    3,135.16/4,326.52 = 1,718.94/x
  3. Step 3: Cross multiply
    3,135.16x = 4,326.52 × 1,718.94
  4. Step 4: Simplify right side
    3,135.16x = 7,437,028.29
  5. Step 5: Solve for x
    x = 7,437,028.29/3,135.16
  6. Step 6: Final answer
    x = 2,372.14

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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.