Home / 1,948.85-2,688.01-1,884.59

Finding the Fourth Proportional to 1,948.85, 2,688.01 and 1,884.59

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Solution

The fourth proportional to 1,948.85, 2,688.01 and 1,884.59 is: 2,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.85 : 2,688.01 = 1,884.59 : x
  2. Step 2: Convert to fraction form
    1,948.85/2,688.01 = 1,884.59/x
  3. Step 3: Cross multiply
    1,948.85x = 2,688.01 × 1,884.59
  4. Step 4: Simplify right side
    1,948.85x = 5,065,778.61
  5. Step 5: Solve for x
    x = 5,065,778.61/1,948.85
  6. Step 6: Final answer
    x = 2,599.37

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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.