Home / 2,280.36-3,133.26-1,813.80

Finding the Fourth Proportional to 2,280.36, 3,133.26 and 1,813.80

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Solution

The fourth proportional to 2,280.36, 3,133.26 and 1,813.80 is: 2,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.36 : 3,133.26 = 1,813.80 : x
  2. Step 2: Convert to fraction form
    2,280.36/3,133.26 = 1,813.80/x
  3. Step 3: Cross multiply
    2,280.36x = 3,133.26 × 1,813.80
  4. Step 4: Simplify right side
    2,280.36x = 5,683,106.99
  5. Step 5: Solve for x
    x = 5,683,106.99/2,280.36
  6. Step 6: Final answer
    x = 2,492.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.