Home / 2,035.63-2,811.80-1,505.60

Finding the Fourth Proportional to 2,035.63, 2,811.80 and 1,505.60

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Solution

The fourth proportional to 2,035.63, 2,811.80 and 1,505.60 is: 2,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.63 : 2,811.80 = 1,505.60 : x
  2. Step 2: Convert to fraction form
    2,035.63/2,811.80 = 1,505.60/x
  3. Step 3: Cross multiply
    2,035.63x = 2,811.80 × 1,505.60
  4. Step 4: Simplify right side
    2,035.63x = 4,233,435.78
  5. Step 5: Solve for x
    x = 4,233,435.78/2,035.63
  6. Step 6: Final answer
    x = 2,079.67

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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.