Home / 2,760.21-4,140.98-1,461.39

Finding the Fourth Proportional to 2,760.21, 4,140.98 and 1,461.39

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Solution

The fourth proportional to 2,760.21, 4,140.98 and 1,461.39 is: 2,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.21 : 4,140.98 = 1,461.39 : x
  2. Step 2: Convert to fraction form
    2,760.21/4,140.98 = 1,461.39/x
  3. Step 3: Cross multiply
    2,760.21x = 4,140.98 × 1,461.39
  4. Step 4: Simplify right side
    2,760.21x = 6,051,579.46
  5. Step 5: Solve for x
    x = 6,051,579.46/2,760.21
  6. Step 6: Final answer
    x = 2,192.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.