Home / 4,070.07-5,616.61-2,391.64

Finding the Fourth Proportional to 4,070.07, 5,616.61 and 2,391.64

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Solution

The fourth proportional to 4,070.07, 5,616.61 and 2,391.64 is: 3,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.07 : 5,616.61 = 2,391.64 : x
  2. Step 2: Convert to fraction form
    4,070.07/5,616.61 = 2,391.64/x
  3. Step 3: Cross multiply
    4,070.07x = 5,616.61 × 2,391.64
  4. Step 4: Simplify right side
    4,070.07x = 13,432,889.12
  5. Step 5: Solve for x
    x = 13,432,889.12/4,070.07
  6. Step 6: Final answer
    x = 3,300.41

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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.