Home / 4,039.40-5,574.37-2,271.01

Finding the Fourth Proportional to 4,039.40, 5,574.37 and 2,271.01

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Solution

The fourth proportional to 4,039.40, 5,574.37 and 2,271.01 is: 3,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.40 : 5,574.37 = 2,271.01 : x
  2. Step 2: Convert to fraction form
    4,039.40/5,574.37 = 2,271.01/x
  3. Step 3: Cross multiply
    4,039.40x = 5,574.37 × 2,271.01
  4. Step 4: Simplify right side
    4,039.40x = 12,659,432.70
  5. Step 5: Solve for x
    x = 12,659,432.70/4,039.40
  6. Step 6: Final answer
    x = 3,133.99

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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.