Home / 1,757.42-2,427.36-1,317.26

Finding the Fourth Proportional to 1,757.42, 2,427.36 and 1,317.26

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Solution

The fourth proportional to 1,757.42, 2,427.36 and 1,317.26 is: 1,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.42 : 2,427.36 = 1,317.26 : x
  2. Step 2: Convert to fraction form
    1,757.42/2,427.36 = 1,317.26/x
  3. Step 3: Cross multiply
    1,757.42x = 2,427.36 × 1,317.26
  4. Step 4: Simplify right side
    1,757.42x = 3,197,464.23
  5. Step 5: Solve for x
    x = 3,197,464.23/1,757.42
  6. Step 6: Final answer
    x = 1,819.41

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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.