Home / 1,852.29-2,555.91-1,190.04

Finding the Fourth Proportional to 1,852.29, 2,555.91 and 1,190.04

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Solution

The fourth proportional to 1,852.29, 2,555.91 and 1,190.04 is: 1,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.29 : 2,555.91 = 1,190.04 : x
  2. Step 2: Convert to fraction form
    1,852.29/2,555.91 = 1,190.04/x
  3. Step 3: Cross multiply
    1,852.29x = 2,555.91 × 1,190.04
  4. Step 4: Simplify right side
    1,852.29x = 3,041,635.14
  5. Step 5: Solve for x
    x = 3,041,635.14/1,852.29
  6. Step 6: Final answer
    x = 1,642.09

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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.