Home / 3,136.53-4,328.06-1,810.68

Finding the Fourth Proportional to 3,136.53, 4,328.06 and 1,810.68

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Solution

The fourth proportional to 3,136.53, 4,328.06 and 1,810.68 is: 2,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.53 : 4,328.06 = 1,810.68 : x
  2. Step 2: Convert to fraction form
    3,136.53/4,328.06 = 1,810.68/x
  3. Step 3: Cross multiply
    3,136.53x = 4,328.06 × 1,810.68
  4. Step 4: Simplify right side
    3,136.53x = 7,836,731.68
  5. Step 5: Solve for x
    x = 7,836,731.68/3,136.53
  6. Step 6: Final answer
    x = 2,498.54

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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.