Home / 3,821.49-5,271.43-2,402.93

Finding the Fourth Proportional to 3,821.49, 5,271.43 and 2,402.93

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Solution

The fourth proportional to 3,821.49, 5,271.43 and 2,402.93 is: 3,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.49 : 5,271.43 = 2,402.93 : x
  2. Step 2: Convert to fraction form
    3,821.49/5,271.43 = 2,402.93/x
  3. Step 3: Cross multiply
    3,821.49x = 5,271.43 × 2,402.93
  4. Step 4: Simplify right side
    3,821.49x = 12,666,889.84
  5. Step 5: Solve for x
    x = 12,666,889.84/3,821.49
  6. Step 6: Final answer
    x = 3,314.64

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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.