Home / 3,136.45-4,327.53-1,810.15

Finding the Fourth Proportional to 3,136.45, 4,327.53 and 1,810.15

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Solution

The fourth proportional to 3,136.45, 4,327.53 and 1,810.15 is: 2,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.45 : 4,327.53 = 1,810.15 : x
  2. Step 2: Convert to fraction form
    3,136.45/4,327.53 = 1,810.15/x
  3. Step 3: Cross multiply
    3,136.45x = 4,327.53 × 1,810.15
  4. Step 4: Simplify right side
    3,136.45x = 7,833,460.82
  5. Step 5: Solve for x
    x = 7,833,460.82/3,136.45
  6. Step 6: Final answer
    x = 2,497.56

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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.