Home / 2,303.10-3,450.20-1,782.81

Finding the Fourth Proportional to 2,303.10, 3,450.20 and 1,782.81

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Solution

The fourth proportional to 2,303.10, 3,450.20 and 1,782.81 is: 2,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.10 : 3,450.20 = 1,782.81 : x
  2. Step 2: Convert to fraction form
    2,303.10/3,450.20 = 1,782.81/x
  3. Step 3: Cross multiply
    2,303.10x = 3,450.20 × 1,782.81
  4. Step 4: Simplify right side
    2,303.10x = 6,151,042.15
  5. Step 5: Solve for x
    x = 6,151,042.15/2,303.10
  6. Step 6: Final answer
    x = 2,670.77

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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.