Home / 3,454.16-5,181.60-1,263.51

Finding the Fourth Proportional to 3,454.16, 5,181.60 and 1,263.51

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Solution

The fourth proportional to 3,454.16, 5,181.60 and 1,263.51 is: 1,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.16 : 5,181.60 = 1,263.51 : x
  2. Step 2: Convert to fraction form
    3,454.16/5,181.60 = 1,263.51/x
  3. Step 3: Cross multiply
    3,454.16x = 5,181.60 × 1,263.51
  4. Step 4: Simplify right side
    3,454.16x = 6,547,003.42
  5. Step 5: Solve for x
    x = 6,547,003.42/3,454.16
  6. Step 6: Final answer
    x = 1,895.40

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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.