Home / 1,622.40-2,434.24-468.48

Finding the Fourth Proportional to 1,622.40, 2,434.24 and 468.48

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Solution

The fourth proportional to 1,622.40, 2,434.24 and 468.48 is: 702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.40 : 2,434.24 = 468.48 : x
  2. Step 2: Convert to fraction form
    1,622.40/2,434.24 = 468.48/x
  3. Step 3: Cross multiply
    1,622.40x = 2,434.24 × 468.48
  4. Step 4: Simplify right side
    1,622.40x = 1,140,392.76
  5. Step 5: Solve for x
    x = 1,140,392.76/1,622.40
  6. Step 6: Final answer
    x = 702.90

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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.