Home / 3,886.16-5,364.32-2,630.00

Finding the Fourth Proportional to 3,886.16, 5,364.32 and 2,630.00

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Solution

The fourth proportional to 3,886.16, 5,364.32 and 2,630.00 is: 3,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.16 : 5,364.32 = 2,630.00 : x
  2. Step 2: Convert to fraction form
    3,886.16/5,364.32 = 2,630.00/x
  3. Step 3: Cross multiply
    3,886.16x = 5,364.32 × 2,630.00
  4. Step 4: Simplify right side
    3,886.16x = 14,108,121.63
  5. Step 5: Solve for x
    x = 14,108,121.63/3,886.16
  6. Step 6: Final answer
    x = 3,630.35

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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.