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Finding the Fourth Proportional to 2,888.65, 3,985.36 and 1,841.32

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Solution

The fourth proportional to 2,888.65, 3,985.36 and 1,841.32 is: 2,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.65 : 3,985.36 = 1,841.32 : x
  2. Step 2: Convert to fraction form
    2,888.65/3,985.36 = 1,841.32/x
  3. Step 3: Cross multiply
    2,888.65x = 3,985.36 × 1,841.32
  4. Step 4: Simplify right side
    2,888.65x = 7,338,323.08
  5. Step 5: Solve for x
    x = 7,338,323.08/2,888.65
  6. Step 6: Final answer
    x = 2,540.40

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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.