Home / 2,485.17-3,429.95-1,894.59

Finding the Fourth Proportional to 2,485.17, 3,429.95 and 1,894.59

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Solution

The fourth proportional to 2,485.17, 3,429.95 and 1,894.59 is: 2,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.17 : 3,429.95 = 1,894.59 : x
  2. Step 2: Convert to fraction form
    2,485.17/3,429.95 = 1,894.59/x
  3. Step 3: Cross multiply
    2,485.17x = 3,429.95 × 1,894.59
  4. Step 4: Simplify right side
    2,485.17x = 6,498,339.50
  5. Step 5: Solve for x
    x = 6,498,339.50/2,485.17
  6. Step 6: Final answer
    x = 2,614.85

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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.