Home / 2,092.85-2,887.65-1,347.06

Finding the Fourth Proportional to 2,092.85, 2,887.65 and 1,347.06

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Solution

The fourth proportional to 2,092.85, 2,887.65 and 1,347.06 is: 1,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.85 : 2,887.65 = 1,347.06 : x
  2. Step 2: Convert to fraction form
    2,092.85/2,887.65 = 1,347.06/x
  3. Step 3: Cross multiply
    2,092.85x = 2,887.65 × 1,347.06
  4. Step 4: Simplify right side
    2,092.85x = 3,889,837.81
  5. Step 5: Solve for x
    x = 3,889,837.81/2,092.85
  6. Step 6: Final answer
    x = 1,858.63

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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.