Home / 3,765.16-5,646.48-1,300.24

Finding the Fourth Proportional to 3,765.16, 5,646.48 and 1,300.24

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Solution

The fourth proportional to 3,765.16, 5,646.48 and 1,300.24 is: 1,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.16 : 5,646.48 = 1,300.24 : x
  2. Step 2: Convert to fraction form
    3,765.16/5,646.48 = 1,300.24/x
  3. Step 3: Cross multiply
    3,765.16x = 5,646.48 × 1,300.24
  4. Step 4: Simplify right side
    3,765.16x = 7,341,779.16
  5. Step 5: Solve for x
    x = 7,341,779.16/3,765.16
  6. Step 6: Final answer
    x = 1,949.92

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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.