Home / 1,527.70-2,289.17-1,181.89

Finding the Fourth Proportional to 1,527.70, 2,289.17 and 1,181.89

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Solution

The fourth proportional to 1,527.70, 2,289.17 and 1,181.89 is: 1,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.70 : 2,289.17 = 1,181.89 : x
  2. Step 2: Convert to fraction form
    1,527.70/2,289.17 = 1,181.89/x
  3. Step 3: Cross multiply
    1,527.70x = 2,289.17 × 1,181.89
  4. Step 4: Simplify right side
    1,527.70x = 2,705,547.13
  5. Step 5: Solve for x
    x = 2,705,547.13/1,527.70
  6. Step 6: Final answer
    x = 1,770.99

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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.