Home / 3,136.02-4,326.69-1,809.43

Finding the Fourth Proportional to 3,136.02, 4,326.69 and 1,809.43

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Solution

The fourth proportional to 3,136.02, 4,326.69 and 1,809.43 is: 2,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.02 : 4,326.69 = 1,809.43 : x
  2. Step 2: Convert to fraction form
    3,136.02/4,326.69 = 1,809.43/x
  3. Step 3: Cross multiply
    3,136.02x = 4,326.69 × 1,809.43
  4. Step 4: Simplify right side
    3,136.02x = 7,828,842.69
  5. Step 5: Solve for x
    x = 7,828,842.69/3,136.02
  6. Step 6: Final answer
    x = 2,496.43

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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.