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Finding the Fourth Proportional to 2,895.04, 4,342.54 and 703.72

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Solution

The fourth proportional to 2,895.04, 4,342.54 and 703.72 is: 1,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.04 : 4,342.54 = 703.72 : x
  2. Step 2: Convert to fraction form
    2,895.04/4,342.54 = 703.72/x
  3. Step 3: Cross multiply
    2,895.04x = 4,342.54 × 703.72
  4. Step 4: Simplify right side
    2,895.04x = 3,055,932.25
  5. Step 5: Solve for x
    x = 3,055,932.25/2,895.04
  6. Step 6: Final answer
    x = 1,055.58

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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.