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Finding the Fourth Proportional to 3,295.54, 4,547.91 and 1,971.10

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Solution

The fourth proportional to 3,295.54, 4,547.91 and 1,971.10 is: 2,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.54 : 4,547.91 = 1,971.10 : x
  2. Step 2: Convert to fraction form
    3,295.54/4,547.91 = 1,971.10/x
  3. Step 3: Cross multiply
    3,295.54x = 4,547.91 × 1,971.10
  4. Step 4: Simplify right side
    3,295.54x = 8,964,385.40
  5. Step 5: Solve for x
    x = 8,964,385.40/3,295.54
  6. Step 6: Final answer
    x = 2,720.16

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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.