Home / 2,852.77-4,279.83-904.97

Finding the Fourth Proportional to 2,852.77, 4,279.83 and 904.97

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Solution

The fourth proportional to 2,852.77, 4,279.83 and 904.97 is: 1,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.77 : 4,279.83 = 904.97 : x
  2. Step 2: Convert to fraction form
    2,852.77/4,279.83 = 904.97/x
  3. Step 3: Cross multiply
    2,852.77x = 4,279.83 × 904.97
  4. Step 4: Simplify right side
    2,852.77x = 3,873,117.76
  5. Step 5: Solve for x
    x = 3,873,117.76/2,852.77
  6. Step 6: Final answer
    x = 1,357.67

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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.