Home / 2,146.56-3,219.66-1,457.66

Finding the Fourth Proportional to 2,146.56, 3,219.66 and 1,457.66

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Solution

The fourth proportional to 2,146.56, 3,219.66 and 1,457.66 is: 2,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.56 : 3,219.66 = 1,457.66 : x
  2. Step 2: Convert to fraction form
    2,146.56/3,219.66 = 1,457.66/x
  3. Step 3: Cross multiply
    2,146.56x = 3,219.66 × 1,457.66
  4. Step 4: Simplify right side
    2,146.56x = 4,693,153.50
  5. Step 5: Solve for x
    x = 4,693,153.50/2,146.56
  6. Step 6: Final answer
    x = 2,186.36

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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.