Home / 1,952.51-2,693.66-1,427.63

Finding the Fourth Proportional to 1,952.51, 2,693.66 and 1,427.63

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Solution

The fourth proportional to 1,952.51, 2,693.66 and 1,427.63 is: 1,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.51 : 2,693.66 = 1,427.63 : x
  2. Step 2: Convert to fraction form
    1,952.51/2,693.66 = 1,427.63/x
  3. Step 3: Cross multiply
    1,952.51x = 2,693.66 × 1,427.63
  4. Step 4: Simplify right side
    1,952.51x = 3,845,529.22
  5. Step 5: Solve for x
    x = 3,845,529.22/1,952.51
  6. Step 6: Final answer
    x = 1,969.54

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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.