Home / 2,702.93-4,053.83-1,920.74

Finding the Fourth Proportional to 2,702.93, 4,053.83 and 1,920.74

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Solution

The fourth proportional to 2,702.93, 4,053.83 and 1,920.74 is: 2,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.93 : 4,053.83 = 1,920.74 : x
  2. Step 2: Convert to fraction form
    2,702.93/4,053.83 = 1,920.74/x
  3. Step 3: Cross multiply
    2,702.93x = 4,053.83 × 1,920.74
  4. Step 4: Simplify right side
    2,702.93x = 7,786,323.56
  5. Step 5: Solve for x
    x = 7,786,323.56/2,702.93
  6. Step 6: Final answer
    x = 2,880.70

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1.5x scale

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.