Home / 2,240.23-3,357.86-1,690.63

Finding the Fourth Proportional to 2,240.23, 3,357.86 and 1,690.63

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Solution

The fourth proportional to 2,240.23, 3,357.86 and 1,690.63 is: 2,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.23 : 3,357.86 = 1,690.63 : x
  2. Step 2: Convert to fraction form
    2,240.23/3,357.86 = 1,690.63/x
  3. Step 3: Cross multiply
    2,240.23x = 3,357.86 × 1,690.63
  4. Step 4: Simplify right side
    2,240.23x = 5,676,890.40
  5. Step 5: Solve for x
    x = 5,676,890.40/2,240.23
  6. Step 6: Final answer
    x = 2,534.07

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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.