Home / 3,431.55-4,735.53-1,859.64

Finding the Fourth Proportional to 3,431.55, 4,735.53 and 1,859.64

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Solution

The fourth proportional to 3,431.55, 4,735.53 and 1,859.64 is: 2,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.55 : 4,735.53 = 1,859.64 : x
  2. Step 2: Convert to fraction form
    3,431.55/4,735.53 = 1,859.64/x
  3. Step 3: Cross multiply
    3,431.55x = 4,735.53 × 1,859.64
  4. Step 4: Simplify right side
    3,431.55x = 8,806,381.01
  5. Step 5: Solve for x
    x = 8,806,381.01/3,431.55
  6. Step 6: Final answer
    x = 2,566.30

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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.