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Finding the Fourth Proportional to 3,045.42, 4,567.42 and 854.37

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Solution

The fourth proportional to 3,045.42, 4,567.42 and 854.37 is: 1,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.42 : 4,567.42 = 854.37 : x
  2. Step 2: Convert to fraction form
    3,045.42/4,567.42 = 854.37/x
  3. Step 3: Cross multiply
    3,045.42x = 4,567.42 × 854.37
  4. Step 4: Simplify right side
    3,045.42x = 3,902,266.63
  5. Step 5: Solve for x
    x = 3,902,266.63/3,045.42
  6. Step 6: Final answer
    x = 1,281.36

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1.5x scale

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.