Home / 2,733.90-3,772.20-1,554.93

Finding the Fourth Proportional to 2,733.90, 3,772.20 and 1,554.93

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Solution

The fourth proportional to 2,733.90, 3,772.20 and 1,554.93 is: 2,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.90 : 3,772.20 = 1,554.93 : x
  2. Step 2: Convert to fraction form
    2,733.90/3,772.20 = 1,554.93/x
  3. Step 3: Cross multiply
    2,733.90x = 3,772.20 × 1,554.93
  4. Step 4: Simplify right side
    2,733.90x = 5,865,506.95
  5. Step 5: Solve for x
    x = 5,865,506.95/2,733.90
  6. Step 6: Final answer
    x = 2,145.47

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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.