Home / 4,039.79-5,574.45-2,271.35

Finding the Fourth Proportional to 4,039.79, 5,574.45 and 2,271.35

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Solution

The fourth proportional to 4,039.79, 5,574.45 and 2,271.35 is: 3,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.79 : 5,574.45 = 2,271.35 : x
  2. Step 2: Convert to fraction form
    4,039.79/5,574.45 = 2,271.35/x
  3. Step 3: Cross multiply
    4,039.79x = 5,574.45 × 2,271.35
  4. Step 4: Simplify right side
    4,039.79x = 12,661,549.46
  5. Step 5: Solve for x
    x = 12,661,549.46/4,039.79
  6. Step 6: Final answer
    x = 3,134.21

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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.