Home / 1,348.53-2,021.18-617.10

Finding the Fourth Proportional to 1,348.53, 2,021.18 and 617.10

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Solution

The fourth proportional to 1,348.53, 2,021.18 and 617.10 is: 924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.53 : 2,021.18 = 617.10 : x
  2. Step 2: Convert to fraction form
    1,348.53/2,021.18 = 617.10/x
  3. Step 3: Cross multiply
    1,348.53x = 2,021.18 × 617.10
  4. Step 4: Simplify right side
    1,348.53x = 1,247,267.09
  5. Step 5: Solve for x
    x = 1,247,267.09/1,348.53
  6. Step 6: Final answer
    x = 924.91

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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.