Home / 3,047.76-4,570.56-1,315.44

Finding the Fourth Proportional to 3,047.76, 4,570.56 and 1,315.44

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Solution

The fourth proportional to 3,047.76, 4,570.56 and 1,315.44 is: 1,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.76 : 4,570.56 = 1,315.44 : x
  2. Step 2: Convert to fraction form
    3,047.76/4,570.56 = 1,315.44/x
  3. Step 3: Cross multiply
    3,047.76x = 4,570.56 × 1,315.44
  4. Step 4: Simplify right side
    3,047.76x = 6,012,297.45
  5. Step 5: Solve for x
    x = 6,012,297.45/3,047.76
  6. Step 6: Final answer
    x = 1,972.69

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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.