Home / 2,214.24-3,315.96-1,117.08

Finding the Fourth Proportional to 2,214.24, 3,315.96 and 1,117.08

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Solution

The fourth proportional to 2,214.24, 3,315.96 and 1,117.08 is: 1,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.24 : 3,315.96 = 1,117.08 : x
  2. Step 2: Convert to fraction form
    2,214.24/3,315.96 = 1,117.08/x
  3. Step 3: Cross multiply
    2,214.24x = 3,315.96 × 1,117.08
  4. Step 4: Simplify right side
    2,214.24x = 3,704,192.60
  5. Step 5: Solve for x
    x = 3,704,192.60/2,214.24
  6. Step 6: Final answer
    x = 1,672.90

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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.