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Finding the Fourth Proportional to 3,547.28, 4,893 and 2,850.32

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Solution

The fourth proportional to 3,547.28, 4,893 and 2,850.32 is: 3,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.28 : 4,893 = 2,850.32 : x
  2. Step 2: Convert to fraction form
    3,547.28/4,893 = 2,850.32/x
  3. Step 3: Cross multiply
    3,547.28x = 4,893 × 2,850.32
  4. Step 4: Simplify right side
    3,547.28x = 13,946,615.76
  5. Step 5: Solve for x
    x = 13,946,615.76/3,547.28
  6. Step 6: Final answer
    x = 3,931.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.