Home / 3,445.07-4,753.37-2,185.67

Finding the Fourth Proportional to 3,445.07, 4,753.37 and 2,185.67

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Solution

The fourth proportional to 3,445.07, 4,753.37 and 2,185.67 is: 3,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.07 : 4,753.37 = 2,185.67 : x
  2. Step 2: Convert to fraction form
    3,445.07/4,753.37 = 2,185.67/x
  3. Step 3: Cross multiply
    3,445.07x = 4,753.37 × 2,185.67
  4. Step 4: Simplify right side
    3,445.07x = 10,389,263.51
  5. Step 5: Solve for x
    x = 10,389,263.51/3,445.07
  6. Step 6: Final answer
    x = 3,015.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.