Home / 2,901.26-4,326.40-2,874.94

Finding the Fourth Proportional to 2,901.26, 4,326.40 and 2,874.94

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Solution

The fourth proportional to 2,901.26, 4,326.40 and 2,874.94 is: 4,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.26 : 4,326.40 = 2,874.94 : x
  2. Step 2: Convert to fraction form
    2,901.26/4,326.40 = 2,874.94/x
  3. Step 3: Cross multiply
    2,901.26x = 4,326.40 × 2,874.94
  4. Step 4: Simplify right side
    2,901.26x = 12,438,133.19
  5. Step 5: Solve for x
    x = 12,438,133.19/2,901.26
  6. Step 6: Final answer
    x = 4,287.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.