Home / 2,132.53-2,942.90-1,248.16

Finding the Fourth Proportional to 2,132.53, 2,942.90 and 1,248.16

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Solution

The fourth proportional to 2,132.53, 2,942.90 and 1,248.16 is: 1,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.53 : 2,942.90 = 1,248.16 : x
  2. Step 2: Convert to fraction form
    2,132.53/2,942.90 = 1,248.16/x
  3. Step 3: Cross multiply
    2,132.53x = 2,942.90 × 1,248.16
  4. Step 4: Simplify right side
    2,132.53x = 3,673,210.06
  5. Step 5: Solve for x
    x = 3,673,210.06/2,132.53
  6. Step 6: Final answer
    x = 1,722.47

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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.