Home / 3,348.20-4,622.63-2,153.74

Finding the Fourth Proportional to 3,348.20, 4,622.63 and 2,153.74

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Solution

The fourth proportional to 3,348.20, 4,622.63 and 2,153.74 is: 2,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.20 : 4,622.63 = 2,153.74 : x
  2. Step 2: Convert to fraction form
    3,348.20/4,622.63 = 2,153.74/x
  3. Step 3: Cross multiply
    3,348.20x = 4,622.63 × 2,153.74
  4. Step 4: Simplify right side
    3,348.20x = 9,955,943.14
  5. Step 5: Solve for x
    x = 9,955,943.14/3,348.20
  6. Step 6: Final answer
    x = 2,973.52

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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.