Home / 3,312.86-4,571.61-1,800.35

Finding the Fourth Proportional to 3,312.86, 4,571.61 and 1,800.35

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Solution

The fourth proportional to 3,312.86, 4,571.61 and 1,800.35 is: 2,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.86 : 4,571.61 = 1,800.35 : x
  2. Step 2: Convert to fraction form
    3,312.86/4,571.61 = 1,800.35/x
  3. Step 3: Cross multiply
    3,312.86x = 4,571.61 × 1,800.35
  4. Step 4: Simplify right side
    3,312.86x = 8,230,475.21
  5. Step 5: Solve for x
    x = 8,230,475.21/3,312.86
  6. Step 6: Final answer
    x = 2,484.41

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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.