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Finding the Fourth Proportional to 2,895.06, 4,342.59 and 703.77

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Solution

The fourth proportional to 2,895.06, 4,342.59 and 703.77 is: 1,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.06 : 4,342.59 = 703.77 : x
  2. Step 2: Convert to fraction form
    2,895.06/4,342.59 = 703.77/x
  3. Step 3: Cross multiply
    2,895.06x = 4,342.59 × 703.77
  4. Step 4: Simplify right side
    2,895.06x = 3,056,181.05
  5. Step 5: Solve for x
    x = 3,056,181.05/2,895.06
  6. Step 6: Final answer
    x = 1,055.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.