Home / 1,490.41-2,235.04-1,197.19

Finding the Fourth Proportional to 1,490.41, 2,235.04 and 1,197.19

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Solution

The fourth proportional to 1,490.41, 2,235.04 and 1,197.19 is: 1,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.41 : 2,235.04 = 1,197.19 : x
  2. Step 2: Convert to fraction form
    1,490.41/2,235.04 = 1,197.19/x
  3. Step 3: Cross multiply
    1,490.41x = 2,235.04 × 1,197.19
  4. Step 4: Simplify right side
    1,490.41x = 2,675,767.54
  5. Step 5: Solve for x
    x = 2,675,767.54/1,490.41
  6. Step 6: Final answer
    x = 1,795.32

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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.