Home / 2,071.40-2,858.97-1,364.39

Finding the Fourth Proportional to 2,071.40, 2,858.97 and 1,364.39

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Solution

The fourth proportional to 2,071.40, 2,858.97 and 1,364.39 is: 1,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.40 : 2,858.97 = 1,364.39 : x
  2. Step 2: Convert to fraction form
    2,071.40/2,858.97 = 1,364.39/x
  3. Step 3: Cross multiply
    2,071.40x = 2,858.97 × 1,364.39
  4. Step 4: Simplify right side
    2,071.40x = 3,900,745.77
  5. Step 5: Solve for x
    x = 3,900,745.77/2,071.40
  6. Step 6: Final answer
    x = 1,883.14

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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.