Home / 2,485.17-3,430.29-1,600.95

Finding the Fourth Proportional to 2,485.17, 3,430.29 and 1,600.95

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Solution

The fourth proportional to 2,485.17, 3,430.29 and 1,600.95 is: 2,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.17 : 3,430.29 = 1,600.95 : x
  2. Step 2: Convert to fraction form
    2,485.17/3,430.29 = 1,600.95/x
  3. Step 3: Cross multiply
    2,485.17x = 3,430.29 × 1,600.95
  4. Step 4: Simplify right side
    2,485.17x = 5,491,722.78
  5. Step 5: Solve for x
    x = 5,491,722.78/2,485.17
  6. Step 6: Final answer
    x = 2,209.80

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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.