Home / 3,230.08-4,457.40-1,903.48

Finding the Fourth Proportional to 3,230.08, 4,457.40 and 1,903.48

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Solution

The fourth proportional to 3,230.08, 4,457.40 and 1,903.48 is: 2,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.08 : 4,457.40 = 1,903.48 : x
  2. Step 2: Convert to fraction form
    3,230.08/4,457.40 = 1,903.48/x
  3. Step 3: Cross multiply
    3,230.08x = 4,457.40 × 1,903.48
  4. Step 4: Simplify right side
    3,230.08x = 8,484,571.75
  5. Step 5: Solve for x
    x = 8,484,571.75/3,230.08
  6. Step 6: Final answer
    x = 2,626.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.