Home / 1,771.12-2,655.60-1,154.08

Finding the Fourth Proportional to 1,771.12, 2,655.60 and 1,154.08

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Solution

The fourth proportional to 1,771.12, 2,655.60 and 1,154.08 is: 1,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.12 : 2,655.60 = 1,154.08 : x
  2. Step 2: Convert to fraction form
    1,771.12/2,655.60 = 1,154.08/x
  3. Step 3: Cross multiply
    1,771.12x = 2,655.60 × 1,154.08
  4. Step 4: Simplify right side
    1,771.12x = 3,064,774.85
  5. Step 5: Solve for x
    x = 3,064,774.85/1,771.12
  6. Step 6: Final answer
    x = 1,730.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.