Home / 1,416.41-2,108.70-1,409.55

Finding the Fourth Proportional to 1,416.41, 2,108.70 and 1,409.55

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Solution

The fourth proportional to 1,416.41, 2,108.70 and 1,409.55 is: 2,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.41 : 2,108.70 = 1,409.55 : x
  2. Step 2: Convert to fraction form
    1,416.41/2,108.70 = 1,409.55/x
  3. Step 3: Cross multiply
    1,416.41x = 2,108.70 × 1,409.55
  4. Step 4: Simplify right side
    1,416.41x = 2,972,318.09
  5. Step 5: Solve for x
    x = 2,972,318.09/1,416.41
  6. Step 6: Final answer
    x = 2,098.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.