Home / 2,141.47-2,954.56-1,197.13

Finding the Fourth Proportional to 2,141.47, 2,954.56 and 1,197.13

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Solution

The fourth proportional to 2,141.47, 2,954.56 and 1,197.13 is: 1,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.47 : 2,954.56 = 1,197.13 : x
  2. Step 2: Convert to fraction form
    2,141.47/2,954.56 = 1,197.13/x
  3. Step 3: Cross multiply
    2,141.47x = 2,954.56 × 1,197.13
  4. Step 4: Simplify right side
    2,141.47x = 3,536,992.41
  5. Step 5: Solve for x
    x = 3,536,992.41/2,141.47
  6. Step 6: Final answer
    x = 1,651.67

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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.