Home / 3,416.40-5,125.75-1,442.50

Finding the Fourth Proportional to 3,416.40, 5,125.75 and 1,442.50

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Solution

The fourth proportional to 3,416.40, 5,125.75 and 1,442.50 is: 2,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.40 : 5,125.75 = 1,442.50 : x
  2. Step 2: Convert to fraction form
    3,416.40/5,125.75 = 1,442.50/x
  3. Step 3: Cross multiply
    3,416.40x = 5,125.75 × 1,442.50
  4. Step 4: Simplify right side
    3,416.40x = 7,393,877.95
  5. Step 5: Solve for x
    x = 7,393,877.95/3,416.40
  6. Step 6: Final answer
    x = 2,164.23

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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.