Home / 3,547.08-5,340.33-2,771.28

Finding the Fourth Proportional to 3,547.08, 5,340.33 and 2,771.28

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Solution

The fourth proportional to 3,547.08, 5,340.33 and 2,771.28 is: 4,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.08 : 5,340.33 = 2,771.28 : x
  2. Step 2: Convert to fraction form
    3,547.08/5,340.33 = 2,771.28/x
  3. Step 3: Cross multiply
    3,547.08x = 5,340.33 × 2,771.28
  4. Step 4: Simplify right side
    3,547.08x = 14,799,549.72
  5. Step 5: Solve for x
    x = 14,799,549.72/3,547.08
  6. Step 6: Final answer
    x = 4,172.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.