Home / 2,268.23-3,130.52-2,120.00

Finding the Fourth Proportional to 2,268.23, 3,130.52 and 2,120.00

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Solution

The fourth proportional to 2,268.23, 3,130.52 and 2,120.00 is: 2,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.23 : 3,130.52 = 2,120.00 : x
  2. Step 2: Convert to fraction form
    2,268.23/3,130.52 = 2,120.00/x
  3. Step 3: Cross multiply
    2,268.23x = 3,130.52 × 2,120.00
  4. Step 4: Simplify right side
    2,268.23x = 6,636,676.15
  5. Step 5: Solve for x
    x = 6,636,676.15/2,268.23
  6. Step 6: Final answer
    x = 2,925.93

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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.