Home / 1,885.48-2,601.66-1,186.36

Finding the Fourth Proportional to 1,885.48, 2,601.66 and 1,186.36

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Solution

The fourth proportional to 1,885.48, 2,601.66 and 1,186.36 is: 1,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.48 : 2,601.66 = 1,186.36 : x
  2. Step 2: Convert to fraction form
    1,885.48/2,601.66 = 1,186.36/x
  3. Step 3: Cross multiply
    1,885.48x = 2,601.66 × 1,186.36
  4. Step 4: Simplify right side
    1,885.48x = 3,086,505.36
  5. Step 5: Solve for x
    x = 3,086,505.36/1,885.48
  6. Step 6: Final answer
    x = 1,636.99

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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.