Home / 3,744.20-5,620.56-1,897.40

Finding the Fourth Proportional to 3,744.20, 5,620.56 and 1,897.40

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Solution

The fourth proportional to 3,744.20, 5,620.56 and 1,897.40 is: 2,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.20 : 5,620.56 = 1,897.40 : x
  2. Step 2: Convert to fraction form
    3,744.20/5,620.56 = 1,897.40/x
  3. Step 3: Cross multiply
    3,744.20x = 5,620.56 × 1,897.40
  4. Step 4: Simplify right side
    3,744.20x = 10,664,457.48
  5. Step 5: Solve for x
    x = 10,664,457.48/3,744.20
  6. Step 6: Final answer
    x = 2,848.26

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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.