Home / 2,945.17-4,064.25-1,897.84

Finding the Fourth Proportional to 2,945.17, 4,064.25 and 1,897.84

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Solution

The fourth proportional to 2,945.17, 4,064.25 and 1,897.84 is: 2,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.17 : 4,064.25 = 1,897.84 : x
  2. Step 2: Convert to fraction form
    2,945.17/4,064.25 = 1,897.84/x
  3. Step 3: Cross multiply
    2,945.17x = 4,064.25 × 1,897.84
  4. Step 4: Simplify right side
    2,945.17x = 7,713,296.22
  5. Step 5: Solve for x
    x = 7,713,296.22/2,945.17
  6. Step 6: Final answer
    x = 2,618.96

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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.