Home / 3,368.08-5,051.32-1,287.32

Finding the Fourth Proportional to 3,368.08, 5,051.32 and 1,287.32

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Solution

The fourth proportional to 3,368.08, 5,051.32 and 1,287.32 is: 1,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.08 : 5,051.32 = 1,287.32 : x
  2. Step 2: Convert to fraction form
    3,368.08/5,051.32 = 1,287.32/x
  3. Step 3: Cross multiply
    3,368.08x = 5,051.32 × 1,287.32
  4. Step 4: Simplify right side
    3,368.08x = 6,502,665.26
  5. Step 5: Solve for x
    x = 6,502,665.26/3,368.08
  6. Step 6: Final answer
    x = 1,930.67

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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.