Home / 2,317.63-3,475.38-929.80

Finding the Fourth Proportional to 2,317.63, 3,475.38 and 929.80

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Solution

The fourth proportional to 2,317.63, 3,475.38 and 929.80 is: 1,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.63 : 3,475.38 = 929.80 : x
  2. Step 2: Convert to fraction form
    2,317.63/3,475.38 = 929.80/x
  3. Step 3: Cross multiply
    2,317.63x = 3,475.38 × 929.80
  4. Step 4: Simplify right side
    2,317.63x = 3,231,408.32
  5. Step 5: Solve for x
    x = 3,231,408.32/2,317.63
  6. Step 6: Final answer
    x = 1,394.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.