Home / 2,146.76-2,962.96-1,360.26

Finding the Fourth Proportional to 2,146.76, 2,962.96 and 1,360.26

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Solution

The fourth proportional to 2,146.76, 2,962.96 and 1,360.26 is: 1,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.76 : 2,962.96 = 1,360.26 : x
  2. Step 2: Convert to fraction form
    2,146.76/2,962.96 = 1,360.26/x
  3. Step 3: Cross multiply
    2,146.76x = 2,962.96 × 1,360.26
  4. Step 4: Simplify right side
    2,146.76x = 4,030,395.97
  5. Step 5: Solve for x
    x = 4,030,395.97/2,146.76
  6. Step 6: Final answer
    x = 1,877.43

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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.