Home / 3,113.16-4,670.36-1,165.32

Finding the Fourth Proportional to 3,113.16, 4,670.36 and 1,165.32

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Solution

The fourth proportional to 3,113.16, 4,670.36 and 1,165.32 is: 1,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.16 : 4,670.36 = 1,165.32 : x
  2. Step 2: Convert to fraction form
    3,113.16/4,670.36 = 1,165.32/x
  3. Step 3: Cross multiply
    3,113.16x = 4,670.36 × 1,165.32
  4. Step 4: Simplify right side
    3,113.16x = 5,442,463.92
  5. Step 5: Solve for x
    x = 5,442,463.92/3,113.16
  6. Step 6: Final answer
    x = 1,748.21

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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.