Home / 1,770.81-2,444.09-1,419.07

Finding the Fourth Proportional to 1,770.81, 2,444.09 and 1,419.07

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Solution

The fourth proportional to 1,770.81, 2,444.09 and 1,419.07 is: 1,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.81 : 2,444.09 = 1,419.07 : x
  2. Step 2: Convert to fraction form
    1,770.81/2,444.09 = 1,419.07/x
  3. Step 3: Cross multiply
    1,770.81x = 2,444.09 × 1,419.07
  4. Step 4: Simplify right side
    1,770.81x = 3,468,328.69
  5. Step 5: Solve for x
    x = 3,468,328.69/1,770.81
  6. Step 6: Final answer
    x = 1,958.61

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1.5x scale

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.