Home / 2,235.40-3,353.09-1,317.35

Finding the Fourth Proportional to 2,235.40, 3,353.09 and 1,317.35

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Solution

The fourth proportional to 2,235.40, 3,353.09 and 1,317.35 is: 1,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.40 : 3,353.09 = 1,317.35 : x
  2. Step 2: Convert to fraction form
    2,235.40/3,353.09 = 1,317.35/x
  3. Step 3: Cross multiply
    2,235.40x = 3,353.09 × 1,317.35
  4. Step 4: Simplify right side
    2,235.40x = 4,417,193.11
  5. Step 5: Solve for x
    x = 4,417,193.11/2,235.40
  6. Step 6: Final answer
    x = 1,976.02

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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.