Home / 2,678.96-4,017.86-2,547.26

Finding the Fourth Proportional to 2,678.96, 4,017.86 and 2,547.26

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Solution

The fourth proportional to 2,678.96, 4,017.86 and 2,547.26 is: 3,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.96 : 4,017.86 = 2,547.26 : x
  2. Step 2: Convert to fraction form
    2,678.96/4,017.86 = 2,547.26/x
  3. Step 3: Cross multiply
    2,678.96x = 4,017.86 × 2,547.26
  4. Step 4: Simplify right side
    2,678.96x = 10,234,534.06
  5. Step 5: Solve for x
    x = 10,234,534.06/2,678.96
  6. Step 6: Final answer
    x = 3,820.34

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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.