Home / 3,785.01-5,673.87-1,187.34

Finding the Fourth Proportional to 3,785.01, 5,673.87 and 1,187.34

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Solution

The fourth proportional to 3,785.01, 5,673.87 and 1,187.34 is: 1,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.01 : 5,673.87 = 1,187.34 : x
  2. Step 2: Convert to fraction form
    3,785.01/5,673.87 = 1,187.34/x
  3. Step 3: Cross multiply
    3,785.01x = 5,673.87 × 1,187.34
  4. Step 4: Simplify right side
    3,785.01x = 6,736,812.81
  5. Step 5: Solve for x
    x = 6,736,812.81/3,785.01
  6. Step 6: Final answer
    x = 1,779.87

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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.