Home / 2,345.21-3,236.50-1,461.30

Finding the Fourth Proportional to 2,345.21, 3,236.50 and 1,461.30

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Solution

The fourth proportional to 2,345.21, 3,236.50 and 1,461.30 is: 2,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.21 : 3,236.50 = 1,461.30 : x
  2. Step 2: Convert to fraction form
    2,345.21/3,236.50 = 1,461.30/x
  3. Step 3: Cross multiply
    2,345.21x = 3,236.50 × 1,461.30
  4. Step 4: Simplify right side
    2,345.21x = 4,729,497.45
  5. Step 5: Solve for x
    x = 4,729,497.45/2,345.21
  6. Step 6: Final answer
    x = 2,016.66

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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.