Home / 3,651.36-5,476.48-1,186.16

Finding the Fourth Proportional to 3,651.36, 5,476.48 and 1,186.16

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Solution

The fourth proportional to 3,651.36, 5,476.48 and 1,186.16 is: 1,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.36 : 5,476.48 = 1,186.16 : x
  2. Step 2: Convert to fraction form
    3,651.36/5,476.48 = 1,186.16/x
  3. Step 3: Cross multiply
    3,651.36x = 5,476.48 × 1,186.16
  4. Step 4: Simplify right side
    3,651.36x = 6,495,981.52
  5. Step 5: Solve for x
    x = 6,495,981.52/3,651.36
  6. Step 6: Final answer
    x = 1,779.06

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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.