Home / 1,881.08-2,600.87-1,647.50

Finding the Fourth Proportional to 1,881.08, 2,600.87 and 1,647.50

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Solution

The fourth proportional to 1,881.08, 2,600.87 and 1,647.50 is: 2,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.08 : 2,600.87 = 1,647.50 : x
  2. Step 2: Convert to fraction form
    1,881.08/2,600.87 = 1,647.50/x
  3. Step 3: Cross multiply
    1,881.08x = 2,600.87 × 1,647.50
  4. Step 4: Simplify right side
    1,881.08x = 4,284,912.08
  5. Step 5: Solve for x
    x = 4,284,912.08/1,881.08
  6. Step 6: Final answer
    x = 2,277.91

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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.