Home / 2,289.66-3,159.60-1,294.98

Finding the Fourth Proportional to 2,289.66, 3,159.60 and 1,294.98

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Solution

The fourth proportional to 2,289.66, 3,159.60 and 1,294.98 is: 1,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.66 : 3,159.60 = 1,294.98 : x
  2. Step 2: Convert to fraction form
    2,289.66/3,159.60 = 1,294.98/x
  3. Step 3: Cross multiply
    2,289.66x = 3,159.60 × 1,294.98
  4. Step 4: Simplify right side
    2,289.66x = 4,091,618.81
  5. Step 5: Solve for x
    x = 4,091,618.81/2,289.66
  6. Step 6: Final answer
    x = 1,787.00

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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.