Home / 1,895.03-2,616.75-1,188.05

Finding the Fourth Proportional to 1,895.03, 2,616.75 and 1,188.05

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Solution

The fourth proportional to 1,895.03, 2,616.75 and 1,188.05 is: 1,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.03 : 2,616.75 = 1,188.05 : x
  2. Step 2: Convert to fraction form
    1,895.03/2,616.75 = 1,188.05/x
  3. Step 3: Cross multiply
    1,895.03x = 2,616.75 × 1,188.05
  4. Step 4: Simplify right side
    1,895.03x = 3,108,841.68
  5. Step 5: Solve for x
    x = 3,108,841.68/1,895.03
  6. Step 6: Final answer
    x = 1,640.53

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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.