Home / 2,420.52-3,339.30-1,633.20

Finding the Fourth Proportional to 2,420.52, 3,339.30 and 1,633.20

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Solution

The fourth proportional to 2,420.52, 3,339.30 and 1,633.20 is: 2,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.52 : 3,339.30 = 1,633.20 : x
  2. Step 2: Convert to fraction form
    2,420.52/3,339.30 = 1,633.20/x
  3. Step 3: Cross multiply
    2,420.52x = 3,339.30 × 1,633.20
  4. Step 4: Simplify right side
    2,420.52x = 5,453,744.76
  5. Step 5: Solve for x
    x = 5,453,744.76/2,420.52
  6. Step 6: Final answer
    x = 2,253.13

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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.