Home / 3,812.16-5,260.08-2,485.92

Finding the Fourth Proportional to 3,812.16, 5,260.08 and 2,485.92

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Solution

The fourth proportional to 3,812.16, 5,260.08 and 2,485.92 is: 3,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.16 : 5,260.08 = 2,485.92 : x
  2. Step 2: Convert to fraction form
    3,812.16/5,260.08 = 2,485.92/x
  3. Step 3: Cross multiply
    3,812.16x = 5,260.08 × 2,485.92
  4. Step 4: Simplify right side
    3,812.16x = 13,076,138.07
  5. Step 5: Solve for x
    x = 13,076,138.07/3,812.16
  6. Step 6: Final answer
    x = 3,430.11

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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.