Home / 1,909.17-2,848.23-1,884.60

Finding the Fourth Proportional to 1,909.17, 2,848.23 and 1,884.60

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Solution

The fourth proportional to 1,909.17, 2,848.23 and 1,884.60 is: 2,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.17 : 2,848.23 = 1,884.60 : x
  2. Step 2: Convert to fraction form
    1,909.17/2,848.23 = 1,884.60/x
  3. Step 3: Cross multiply
    1,909.17x = 2,848.23 × 1,884.60
  4. Step 4: Simplify right side
    1,909.17x = 5,367,774.26
  5. Step 5: Solve for x
    x = 5,367,774.26/1,909.17
  6. Step 6: Final answer
    x = 2,811.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.