Home / 2,148.92-2,962.06-1,449.08

Finding the Fourth Proportional to 2,148.92, 2,962.06 and 1,449.08

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Solution

The fourth proportional to 2,148.92, 2,962.06 and 1,449.08 is: 1,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.92 : 2,962.06 = 1,449.08 : x
  2. Step 2: Convert to fraction form
    2,148.92/2,962.06 = 1,449.08/x
  3. Step 3: Cross multiply
    2,148.92x = 2,962.06 × 1,449.08
  4. Step 4: Simplify right side
    2,148.92x = 4,292,261.90
  5. Step 5: Solve for x
    x = 4,292,261.90/2,148.92
  6. Step 6: Final answer
    x = 1,997.40

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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.