Home / 2,173.48-3,264.59-1,297.70

Finding the Fourth Proportional to 2,173.48, 3,264.59 and 1,297.70

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Solution

The fourth proportional to 2,173.48, 3,264.59 and 1,297.70 is: 1,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.48 : 3,264.59 = 1,297.70 : x
  2. Step 2: Convert to fraction form
    2,173.48/3,264.59 = 1,297.70/x
  3. Step 3: Cross multiply
    2,173.48x = 3,264.59 × 1,297.70
  4. Step 4: Simplify right side
    2,173.48x = 4,236,435.63
  5. Step 5: Solve for x
    x = 4,236,435.63/2,173.48
  6. Step 6: Final answer
    x = 1,949.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.