Home / 2,897.80-4,347.98-1,436.12

Finding the Fourth Proportional to 2,897.80, 4,347.98 and 1,436.12

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Solution

The fourth proportional to 2,897.80, 4,347.98 and 1,436.12 is: 2,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.80 : 4,347.98 = 1,436.12 : x
  2. Step 2: Convert to fraction form
    2,897.80/4,347.98 = 1,436.12/x
  3. Step 3: Cross multiply
    2,897.80x = 4,347.98 × 1,436.12
  4. Step 4: Simplify right side
    2,897.80x = 6,244,221.04
  5. Step 5: Solve for x
    x = 6,244,221.04/2,897.80
  6. Step 6: Final answer
    x = 2,154.81

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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.