Home / 2,702.34-3,730.37-1,818.68

Finding the Fourth Proportional to 2,702.34, 3,730.37 and 1,818.68

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Solution

The fourth proportional to 2,702.34, 3,730.37 and 1,818.68 is: 2,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.34 : 3,730.37 = 1,818.68 : x
  2. Step 2: Convert to fraction form
    2,702.34/3,730.37 = 1,818.68/x
  3. Step 3: Cross multiply
    2,702.34x = 3,730.37 × 1,818.68
  4. Step 4: Simplify right side
    2,702.34x = 6,784,321.57
  5. Step 5: Solve for x
    x = 6,784,321.57/2,702.34
  6. Step 6: Final answer
    x = 2,510.54

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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.