Home / 1,881.08-2,595.91-1,173.20

Finding the Fourth Proportional to 1,881.08, 2,595.91 and 1,173.20

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Solution

The fourth proportional to 1,881.08, 2,595.91 and 1,173.20 is: 1,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.08 : 2,595.91 = 1,173.20 : x
  2. Step 2: Convert to fraction form
    1,881.08/2,595.91 = 1,173.20/x
  3. Step 3: Cross multiply
    1,881.08x = 2,595.91 × 1,173.20
  4. Step 4: Simplify right side
    1,881.08x = 3,045,525.17
  5. Step 5: Solve for x
    x = 3,045,525.17/1,881.08
  6. Step 6: Final answer
    x = 1,619.03

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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.