Home / 2,888.08-3,985.26-1,769.32

Finding the Fourth Proportional to 2,888.08, 3,985.26 and 1,769.32

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Solution

The fourth proportional to 2,888.08, 3,985.26 and 1,769.32 is: 2,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.08 : 3,985.26 = 1,769.32 : x
  2. Step 2: Convert to fraction form
    2,888.08/3,985.26 = 1,769.32/x
  3. Step 3: Cross multiply
    2,888.08x = 3,985.26 × 1,769.32
  4. Step 4: Simplify right side
    2,888.08x = 7,051,200.22
  5. Step 5: Solve for x
    x = 7,051,200.22/2,888.08
  6. Step 6: Final answer
    x = 2,441.48

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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.