Home / 2,054.76-2,835.74-1,170.62

Finding the Fourth Proportional to 2,054.76, 2,835.74 and 1,170.62

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Solution

The fourth proportional to 2,054.76, 2,835.74 and 1,170.62 is: 1,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.76 : 2,835.74 = 1,170.62 : x
  2. Step 2: Convert to fraction form
    2,054.76/2,835.74 = 1,170.62/x
  3. Step 3: Cross multiply
    2,054.76x = 2,835.74 × 1,170.62
  4. Step 4: Simplify right side
    2,054.76x = 3,319,573.96
  5. Step 5: Solve for x
    x = 3,319,573.96/2,054.76
  6. Step 6: Final answer
    x = 1,615.55

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Double scale
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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.