Home / 4,039.65-5,574.52-2,271.21

Finding the Fourth Proportional to 4,039.65, 5,574.52 and 2,271.21

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Solution

The fourth proportional to 4,039.65, 5,574.52 and 2,271.21 is: 3,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.65 : 5,574.52 = 2,271.21 : x
  2. Step 2: Convert to fraction form
    4,039.65/5,574.52 = 2,271.21/x
  3. Step 3: Cross multiply
    4,039.65x = 5,574.52 × 2,271.21
  4. Step 4: Simplify right side
    4,039.65x = 12,660,905.57
  5. Step 5: Solve for x
    x = 12,660,905.57/4,039.65
  6. Step 6: Final answer
    x = 3,134.16

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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.