Home / 1,947.05-2,686.60-1,848.54

Finding the Fourth Proportional to 1,947.05, 2,686.60 and 1,848.54

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Solution

The fourth proportional to 1,947.05, 2,686.60 and 1,848.54 is: 2,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.05 : 2,686.60 = 1,848.54 : x
  2. Step 2: Convert to fraction form
    1,947.05/2,686.60 = 1,848.54/x
  3. Step 3: Cross multiply
    1,947.05x = 2,686.60 × 1,848.54
  4. Step 4: Simplify right side
    1,947.05x = 4,966,284.84
  5. Step 5: Solve for x
    x = 4,966,284.84/1,947.05
  6. Step 6: Final answer
    x = 2,550.67

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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.