Home / 3,648.04-5,036.18-2,790.55

Finding the Fourth Proportional to 3,648.04, 5,036.18 and 2,790.55

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Solution

The fourth proportional to 3,648.04, 5,036.18 and 2,790.55 is: 3,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.04 : 5,036.18 = 2,790.55 : x
  2. Step 2: Convert to fraction form
    3,648.04/5,036.18 = 2,790.55/x
  3. Step 3: Cross multiply
    3,648.04x = 5,036.18 × 2,790.55
  4. Step 4: Simplify right side
    3,648.04x = 14,053,704.44
  5. Step 5: Solve for x
    x = 14,053,704.44/3,648.04
  6. Step 6: Final answer
    x = 3,852.40

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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.