Home / 2,064.31-2,848.74-1,120.11

Finding the Fourth Proportional to 2,064.31, 2,848.74 and 1,120.11

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Solution

The fourth proportional to 2,064.31, 2,848.74 and 1,120.11 is: 1,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.31 : 2,848.74 = 1,120.11 : x
  2. Step 2: Convert to fraction form
    2,064.31/2,848.74 = 1,120.11/x
  3. Step 3: Cross multiply
    2,064.31x = 2,848.74 × 1,120.11
  4. Step 4: Simplify right side
    2,064.31x = 3,190,902.16
  5. Step 5: Solve for x
    x = 3,190,902.16/2,064.31
  6. Step 6: Final answer
    x = 1,545.75

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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.