Home / 2,897.49-3,998.54-1,571.19

Finding the Fourth Proportional to 2,897.49, 3,998.54 and 1,571.19

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Solution

The fourth proportional to 2,897.49, 3,998.54 and 1,571.19 is: 2,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.49 : 3,998.54 = 1,571.19 : x
  2. Step 2: Convert to fraction form
    2,897.49/3,998.54 = 1,571.19/x
  3. Step 3: Cross multiply
    2,897.49x = 3,998.54 × 1,571.19
  4. Step 4: Simplify right side
    2,897.49x = 6,282,477.94
  5. Step 5: Solve for x
    x = 6,282,477.94/2,897.49
  6. Step 6: Final answer
    x = 2,168.25

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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.