Home / 3,113.25-4,670.62-1,061.25

Finding the Fourth Proportional to 3,113.25, 4,670.62 and 1,061.25

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Solution

The fourth proportional to 3,113.25, 4,670.62 and 1,061.25 is: 1,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.25 : 4,670.62 = 1,061.25 : x
  2. Step 2: Convert to fraction form
    3,113.25/4,670.62 = 1,061.25/x
  3. Step 3: Cross multiply
    3,113.25x = 4,670.62 × 1,061.25
  4. Step 4: Simplify right side
    3,113.25x = 4,956,690.17
  5. Step 5: Solve for x
    x = 4,956,690.17/3,113.25
  6. Step 6: Final answer
    x = 1,592.13

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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.