Home / 2,030.76-2,799.66-1,284.35

Finding the Fourth Proportional to 2,030.76, 2,799.66 and 1,284.35

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Solution

The fourth proportional to 2,030.76, 2,799.66 and 1,284.35 is: 1,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.76 : 2,799.66 = 1,284.35 : x
  2. Step 2: Convert to fraction form
    2,030.76/2,799.66 = 1,284.35/x
  3. Step 3: Cross multiply
    2,030.76x = 2,799.66 × 1,284.35
  4. Step 4: Simplify right side
    2,030.76x = 3,595,743.32
  5. Step 5: Solve for x
    x = 3,595,743.32/2,030.76
  6. Step 6: Final answer
    x = 1,770.64

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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.