Home / 3,312.21-4,565.36-3,224.57

Finding the Fourth Proportional to 3,312.21, 4,565.36 and 3,224.57

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Solution

The fourth proportional to 3,312.21, 4,565.36 and 3,224.57 is: 4,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.21 : 4,565.36 = 3,224.57 : x
  2. Step 2: Convert to fraction form
    3,312.21/4,565.36 = 3,224.57/x
  3. Step 3: Cross multiply
    3,312.21x = 4,565.36 × 3,224.57
  4. Step 4: Simplify right side
    3,312.21x = 14,721,322.90
  5. Step 5: Solve for x
    x = 14,721,322.90/3,312.21
  6. Step 6: Final answer
    x = 4,444.56

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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.