Home / 2,685.48-4,026.54-1,125.06

Finding the Fourth Proportional to 2,685.48, 4,026.54 and 1,125.06

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Solution

The fourth proportional to 2,685.48, 4,026.54 and 1,125.06 is: 1,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.48 : 4,026.54 = 1,125.06 : x
  2. Step 2: Convert to fraction form
    2,685.48/4,026.54 = 1,125.06/x
  3. Step 3: Cross multiply
    2,685.48x = 4,026.54 × 1,125.06
  4. Step 4: Simplify right side
    2,685.48x = 4,530,099.09
  5. Step 5: Solve for x
    x = 4,530,099.09/2,685.48
  6. Step 6: Final answer
    x = 1,686.89

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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.