Home / 2,280.51-3,421.26-1,355.00

Finding the Fourth Proportional to 2,280.51, 3,421.26 and 1,355.00

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Solution

The fourth proportional to 2,280.51, 3,421.26 and 1,355.00 is: 2,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.51 : 3,421.26 = 1,355.00 : x
  2. Step 2: Convert to fraction form
    2,280.51/3,421.26 = 1,355.00/x
  3. Step 3: Cross multiply
    2,280.51x = 3,421.26 × 1,355.00
  4. Step 4: Simplify right side
    2,280.51x = 4,635,790.19
  5. Step 5: Solve for x
    x = 4,635,790.19/2,280.51
  6. Step 6: Final answer
    x = 2,032.79

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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.