Home / 2,355.13-3,533.23-816.13

Finding the Fourth Proportional to 2,355.13, 3,533.23 and 816.13

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Solution

The fourth proportional to 2,355.13, 3,533.23 and 816.13 is: 1,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.13 : 3,533.23 = 816.13 : x
  2. Step 2: Convert to fraction form
    2,355.13/3,533.23 = 816.13/x
  3. Step 3: Cross multiply
    2,355.13x = 3,533.23 × 816.13
  4. Step 4: Simplify right side
    2,355.13x = 2,883,557.33
  5. Step 5: Solve for x
    x = 2,883,557.33/2,355.13
  6. Step 6: Final answer
    x = 1,224.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.