Home / 2,897.36-4,339.94-2,278.12

Finding the Fourth Proportional to 2,897.36, 4,339.94 and 2,278.12

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Solution

The fourth proportional to 2,897.36, 4,339.94 and 2,278.12 is: 3,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.36 : 4,339.94 = 2,278.12 : x
  2. Step 2: Convert to fraction form
    2,897.36/4,339.94 = 2,278.12/x
  3. Step 3: Cross multiply
    2,897.36x = 4,339.94 × 2,278.12
  4. Step 4: Simplify right side
    2,897.36x = 9,886,904.11
  5. Step 5: Solve for x
    x = 9,886,904.11/2,897.36
  6. Step 6: Final answer
    x = 3,412.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.