Home / 1,348.02-2,021.56-617.19

Finding the Fourth Proportional to 1,348.02, 2,021.56 and 617.19

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Solution

The fourth proportional to 1,348.02, 2,021.56 and 617.19 is: 925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.02 : 2,021.56 = 617.19 : x
  2. Step 2: Convert to fraction form
    1,348.02/2,021.56 = 617.19/x
  3. Step 3: Cross multiply
    1,348.02x = 2,021.56 × 617.19
  4. Step 4: Simplify right side
    1,348.02x = 1,247,686.62
  5. Step 5: Solve for x
    x = 1,247,686.62/1,348.02
  6. Step 6: Final answer
    x = 925.57

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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.