Home / 3,320.70-4,578.87-2,612.58

Finding the Fourth Proportional to 3,320.70, 4,578.87 and 2,612.58

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Solution

The fourth proportional to 3,320.70, 4,578.87 and 2,612.58 is: 3,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.70 : 4,578.87 = 2,612.58 : x
  2. Step 2: Convert to fraction form
    3,320.70/4,578.87 = 2,612.58/x
  3. Step 3: Cross multiply
    3,320.70x = 4,578.87 × 2,612.58
  4. Step 4: Simplify right side
    3,320.70x = 11,962,664.18
  5. Step 5: Solve for x
    x = 11,962,664.18/3,320.70
  6. Step 6: Final answer
    x = 3,602.45

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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.