Home / 1,680.04-2,520.21-1,197.08

Finding the Fourth Proportional to 1,680.04, 2,520.21 and 1,197.08

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Solution

The fourth proportional to 1,680.04, 2,520.21 and 1,197.08 is: 1,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.04 : 2,520.21 = 1,197.08 : x
  2. Step 2: Convert to fraction form
    1,680.04/2,520.21 = 1,197.08/x
  3. Step 3: Cross multiply
    1,680.04x = 2,520.21 × 1,197.08
  4. Step 4: Simplify right side
    1,680.04x = 3,016,894.33
  5. Step 5: Solve for x
    x = 3,016,894.33/1,680.04
  6. Step 6: Final answer
    x = 1,795.73

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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.