Home / 2,140.19-2,953.53-1,195.98

Finding the Fourth Proportional to 2,140.19, 2,953.53 and 1,195.98

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Solution

The fourth proportional to 2,140.19, 2,953.53 and 1,195.98 is: 1,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.19 : 2,953.53 = 1,195.98 : x
  2. Step 2: Convert to fraction form
    2,140.19/2,953.53 = 1,195.98/x
  3. Step 3: Cross multiply
    2,140.19x = 2,953.53 × 1,195.98
  4. Step 4: Simplify right side
    2,140.19x = 3,532,351.73
  5. Step 5: Solve for x
    x = 3,532,351.73/2,140.19
  6. Step 6: Final answer
    x = 1,650.49

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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.