Home / 2,881.76-3,976.95-1,702.83

Finding the Fourth Proportional to 2,881.76, 3,976.95 and 1,702.83

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Solution

The fourth proportional to 2,881.76, 3,976.95 and 1,702.83 is: 2,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.76 : 3,976.95 = 1,702.83 : x
  2. Step 2: Convert to fraction form
    2,881.76/3,976.95 = 1,702.83/x
  3. Step 3: Cross multiply
    2,881.76x = 3,976.95 × 1,702.83
  4. Step 4: Simplify right side
    2,881.76x = 6,772,069.77
  5. Step 5: Solve for x
    x = 6,772,069.77/2,881.76
  6. Step 6: Final answer
    x = 2,349.98

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1.5x scale

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.