Home / 4,071.40-5,619.27-2,499.28

Finding the Fourth Proportional to 4,071.40, 5,619.27 and 2,499.28

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Solution

The fourth proportional to 4,071.40, 5,619.27 and 2,499.28 is: 3,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.40 : 5,619.27 = 2,499.28 : x
  2. Step 2: Convert to fraction form
    4,071.40/5,619.27 = 2,499.28/x
  3. Step 3: Cross multiply
    4,071.40x = 5,619.27 × 2,499.28
  4. Step 4: Simplify right side
    4,071.40x = 14,044,129.13
  5. Step 5: Solve for x
    x = 14,044,129.13/4,071.40
  6. Step 6: Final answer
    x = 3,449.46

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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.