Home / 1,928.94-2,887.98-1,605.48

Finding the Fourth Proportional to 1,928.94, 2,887.98 and 1,605.48

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Solution

The fourth proportional to 1,928.94, 2,887.98 and 1,605.48 is: 2,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.94 : 2,887.98 = 1,605.48 : x
  2. Step 2: Convert to fraction form
    1,928.94/2,887.98 = 1,605.48/x
  3. Step 3: Cross multiply
    1,928.94x = 2,887.98 × 1,605.48
  4. Step 4: Simplify right side
    1,928.94x = 4,636,594.13
  5. Step 5: Solve for x
    x = 4,636,594.13/1,928.94
  6. Step 6: Final answer
    x = 2,403.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.