Home / 4,319.66-5,960.98-2,431.28

Finding the Fourth Proportional to 4,319.66, 5,960.98 and 2,431.28

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Solution

The fourth proportional to 4,319.66, 5,960.98 and 2,431.28 is: 3,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.66 : 5,960.98 = 2,431.28 : x
  2. Step 2: Convert to fraction form
    4,319.66/5,960.98 = 2,431.28/x
  3. Step 3: Cross multiply
    4,319.66x = 5,960.98 × 2,431.28
  4. Step 4: Simplify right side
    4,319.66x = 14,492,811.45
  5. Step 5: Solve for x
    x = 14,492,811.45/4,319.66
  6. Step 6: Final answer
    x = 3,355.08

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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.