Home / 3,547.21-5,332.83-2,858.71

Finding the Fourth Proportional to 3,547.21, 5,332.83 and 2,858.71

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Solution

The fourth proportional to 3,547.21, 5,332.83 and 2,858.71 is: 4,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.21 : 5,332.83 = 2,858.71 : x
  2. Step 2: Convert to fraction form
    3,547.21/5,332.83 = 2,858.71/x
  3. Step 3: Cross multiply
    3,547.21x = 5,332.83 × 2,858.71
  4. Step 4: Simplify right side
    3,547.21x = 15,245,014.45
  5. Step 5: Solve for x
    x = 15,245,014.45/3,547.21
  6. Step 6: Final answer
    x = 4,297.75

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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.