Home / 3,145.50-4,718.93-1,065.56

Finding the Fourth Proportional to 3,145.50, 4,718.93 and 1,065.56

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Solution

The fourth proportional to 3,145.50, 4,718.93 and 1,065.56 is: 1,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.50 : 4,718.93 = 1,065.56 : x
  2. Step 2: Convert to fraction form
    3,145.50/4,718.93 = 1,065.56/x
  3. Step 3: Cross multiply
    3,145.50x = 4,718.93 × 1,065.56
  4. Step 4: Simplify right side
    3,145.50x = 5,028,274.13
  5. Step 5: Solve for x
    x = 5,028,274.13/3,145.50
  6. Step 6: Final answer
    x = 1,598.56

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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.