Home / 2,170.04-2,993.58-1,330.47

Finding the Fourth Proportional to 2,170.04, 2,993.58 and 1,330.47

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Solution

The fourth proportional to 2,170.04, 2,993.58 and 1,330.47 is: 1,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.04 : 2,993.58 = 1,330.47 : x
  2. Step 2: Convert to fraction form
    2,170.04/2,993.58 = 1,330.47/x
  3. Step 3: Cross multiply
    2,170.04x = 2,993.58 × 1,330.47
  4. Step 4: Simplify right side
    2,170.04x = 3,982,868.38
  5. Step 5: Solve for x
    x = 3,982,868.38/2,170.04
  6. Step 6: Final answer
    x = 1,835.39

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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.