Home / 3,862.66-5,330.07-2,370.64

Finding the Fourth Proportional to 3,862.66, 5,330.07 and 2,370.64

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Solution

The fourth proportional to 3,862.66, 5,330.07 and 2,370.64 is: 3,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.66 : 5,330.07 = 2,370.64 : x
  2. Step 2: Convert to fraction form
    3,862.66/5,330.07 = 2,370.64/x
  3. Step 3: Cross multiply
    3,862.66x = 5,330.07 × 2,370.64
  4. Step 4: Simplify right side
    3,862.66x = 12,635,638.64
  5. Step 5: Solve for x
    x = 12,635,638.64/3,862.66
  6. Step 6: Final answer
    x = 3,271.23

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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.