Home / 2,317.75-3,475.05-1,278.22

Finding the Fourth Proportional to 2,317.75, 3,475.05 and 1,278.22

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Solution

The fourth proportional to 2,317.75, 3,475.05 and 1,278.22 is: 1,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.75 : 3,475.05 = 1,278.22 : x
  2. Step 2: Convert to fraction form
    2,317.75/3,475.05 = 1,278.22/x
  3. Step 3: Cross multiply
    2,317.75x = 3,475.05 × 1,278.22
  4. Step 4: Simplify right side
    2,317.75x = 4,441,878.41
  5. Step 5: Solve for x
    x = 4,441,878.41/2,317.75
  6. Step 6: Final answer
    x = 1,916.46

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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.