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Finding the Fourth Proportional to 2,132.06, 2,943.70 and 1,335.70

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Solution

The fourth proportional to 2,132.06, 2,943.70 and 1,335.70 is: 1,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.06 : 2,943.70 = 1,335.70 : x
  2. Step 2: Convert to fraction form
    2,132.06/2,943.70 = 1,335.70/x
  3. Step 3: Cross multiply
    2,132.06x = 2,943.70 × 1,335.70
  4. Step 4: Simplify right side
    2,132.06x = 3,931,900.09
  5. Step 5: Solve for x
    x = 3,931,900.09/2,132.06
  6. Step 6: Final answer
    x = 1,844.18

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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.