Home / 3,051.46-4,547.21-2,866.78

Finding the Fourth Proportional to 3,051.46, 4,547.21 and 2,866.78

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Solution

The fourth proportional to 3,051.46, 4,547.21 and 2,866.78 is: 4,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.46 : 4,547.21 = 2,866.78 : x
  2. Step 2: Convert to fraction form
    3,051.46/4,547.21 = 2,866.78/x
  3. Step 3: Cross multiply
    3,051.46x = 4,547.21 × 2,866.78
  4. Step 4: Simplify right side
    3,051.46x = 13,035,850.68
  5. Step 5: Solve for x
    x = 13,035,850.68/3,051.46
  6. Step 6: Final answer
    x = 4,272.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.