Home / 1,852.03-2,555.25-1,187.68

Finding the Fourth Proportional to 1,852.03, 2,555.25 and 1,187.68

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Solution

The fourth proportional to 1,852.03, 2,555.25 and 1,187.68 is: 1,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.03 : 2,555.25 = 1,187.68 : x
  2. Step 2: Convert to fraction form
    1,852.03/2,555.25 = 1,187.68/x
  3. Step 3: Cross multiply
    1,852.03x = 2,555.25 × 1,187.68
  4. Step 4: Simplify right side
    1,852.03x = 3,034,819.32
  5. Step 5: Solve for x
    x = 3,034,819.32/1,852.03
  6. Step 6: Final answer
    x = 1,638.64

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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.