Home / 4,159.66-5,740.25-2,271.28

Finding the Fourth Proportional to 4,159.66, 5,740.25 and 2,271.28

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Solution

The fourth proportional to 4,159.66, 5,740.25 and 2,271.28 is: 3,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.66 : 5,740.25 = 2,271.28 : x
  2. Step 2: Convert to fraction form
    4,159.66/5,740.25 = 2,271.28/x
  3. Step 3: Cross multiply
    4,159.66x = 5,740.25 × 2,271.28
  4. Step 4: Simplify right side
    4,159.66x = 13,037,703.66
  5. Step 5: Solve for x
    x = 13,037,703.66/4,159.66
  6. Step 6: Final answer
    x = 3,134.32

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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.