Home / 2,315.64-3,477.30-2,297.72

Finding the Fourth Proportional to 2,315.64, 3,477.30 and 2,297.72

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Solution

The fourth proportional to 2,315.64, 3,477.30 and 2,297.72 is: 3,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.64 : 3,477.30 = 2,297.72 : x
  2. Step 2: Convert to fraction form
    2,315.64/3,477.30 = 2,297.72/x
  3. Step 3: Cross multiply
    2,315.64x = 3,477.30 × 2,297.72
  4. Step 4: Simplify right side
    2,315.64x = 7,989,861.76
  5. Step 5: Solve for x
    x = 7,989,861.76/2,315.64
  6. Step 6: Final answer
    x = 3,450.39

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1.5x scale

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.