Home / 2,162.42-2,985.26-1,457.96

Finding the Fourth Proportional to 2,162.42, 2,985.26 and 1,457.96

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Solution

The fourth proportional to 2,162.42, 2,985.26 and 1,457.96 is: 2,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.42 : 2,985.26 = 1,457.96 : x
  2. Step 2: Convert to fraction form
    2,162.42/2,985.26 = 1,457.96/x
  3. Step 3: Cross multiply
    2,162.42x = 2,985.26 × 1,457.96
  4. Step 4: Simplify right side
    2,162.42x = 4,352,389.67
  5. Step 5: Solve for x
    x = 4,352,389.67/2,162.42
  6. Step 6: Final answer
    x = 2,012.74

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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.