Home / 3,701.65-5,554.01-1,620.58

Finding the Fourth Proportional to 3,701.65, 5,554.01 and 1,620.58

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Solution

The fourth proportional to 3,701.65, 5,554.01 and 1,620.58 is: 2,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.65 : 5,554.01 = 1,620.58 : x
  2. Step 2: Convert to fraction form
    3,701.65/5,554.01 = 1,620.58/x
  3. Step 3: Cross multiply
    3,701.65x = 5,554.01 × 1,620.58
  4. Step 4: Simplify right side
    3,701.65x = 9,000,728.52
  5. Step 5: Solve for x
    x = 9,000,728.52/3,701.65
  6. Step 6: Final answer
    x = 2,431.55

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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.