Home / 3,136.07-4,328.27-1,810.19

Finding the Fourth Proportional to 3,136.07, 4,328.27 and 1,810.19

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Solution

The fourth proportional to 3,136.07, 4,328.27 and 1,810.19 is: 2,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.07 : 4,328.27 = 1,810.19 : x
  2. Step 2: Convert to fraction form
    3,136.07/4,328.27 = 1,810.19/x
  3. Step 3: Cross multiply
    3,136.07x = 4,328.27 × 1,810.19
  4. Step 4: Simplify right side
    3,136.07x = 7,834,960.38
  5. Step 5: Solve for x
    x = 7,834,960.38/3,136.07
  6. Step 6: Final answer
    x = 2,498.34

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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.