Home / 3,320.67-4,582.74-1,994.31

Finding the Fourth Proportional to 3,320.67, 4,582.74 and 1,994.31

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Solution

The fourth proportional to 3,320.67, 4,582.74 and 1,994.31 is: 2,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.67 : 4,582.74 = 1,994.31 : x
  2. Step 2: Convert to fraction form
    3,320.67/4,582.74 = 1,994.31/x
  3. Step 3: Cross multiply
    3,320.67x = 4,582.74 × 1,994.31
  4. Step 4: Simplify right side
    3,320.67x = 9,139,404.21
  5. Step 5: Solve for x
    x = 9,139,404.21/3,320.67
  6. Step 6: Final answer
    x = 2,752.28

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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.