Home / 3,353.40-5,030.37-1,405.26

Finding the Fourth Proportional to 3,353.40, 5,030.37 and 1,405.26

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Solution

The fourth proportional to 3,353.40, 5,030.37 and 1,405.26 is: 2,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.40 : 5,030.37 = 1,405.26 : x
  2. Step 2: Convert to fraction form
    3,353.40/5,030.37 = 1,405.26/x
  3. Step 3: Cross multiply
    3,353.40x = 5,030.37 × 1,405.26
  4. Step 4: Simplify right side
    3,353.40x = 7,068,977.75
  5. Step 5: Solve for x
    x = 7,068,977.75/3,353.40
  6. Step 6: Final answer
    x = 2,108.00

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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.