Home / 2,025.98-2,795.85-1,187.16

Finding the Fourth Proportional to 2,025.98, 2,795.85 and 1,187.16

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Solution

The fourth proportional to 2,025.98, 2,795.85 and 1,187.16 is: 1,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.98 : 2,795.85 = 1,187.16 : x
  2. Step 2: Convert to fraction form
    2,025.98/2,795.85 = 1,187.16/x
  3. Step 3: Cross multiply
    2,025.98x = 2,795.85 × 1,187.16
  4. Step 4: Simplify right side
    2,025.98x = 3,319,110.80
  5. Step 5: Solve for x
    x = 3,319,110.80/2,025.98
  6. Step 6: Final answer
    x = 1,638.28

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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.