Home / 1,887.35-2,604.65-1,090.82

Finding the Fourth Proportional to 1,887.35, 2,604.65 and 1,090.82

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Solution

The fourth proportional to 1,887.35, 2,604.65 and 1,090.82 is: 1,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.35 : 2,604.65 = 1,090.82 : x
  2. Step 2: Convert to fraction form
    1,887.35/2,604.65 = 1,090.82/x
  3. Step 3: Cross multiply
    1,887.35x = 2,604.65 × 1,090.82
  4. Step 4: Simplify right side
    1,887.35x = 2,841,185.84
  5. Step 5: Solve for x
    x = 2,841,185.84/1,887.35
  6. Step 6: Final answer
    x = 1,505.39

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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.