Home / 2,861.04-4,285.80-1,703.28

Finding the Fourth Proportional to 2,861.04, 4,285.80 and 1,703.28

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Solution

The fourth proportional to 2,861.04, 4,285.80 and 1,703.28 is: 2,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.04 : 4,285.80 = 1,703.28 : x
  2. Step 2: Convert to fraction form
    2,861.04/4,285.80 = 1,703.28/x
  3. Step 3: Cross multiply
    2,861.04x = 4,285.80 × 1,703.28
  4. Step 4: Simplify right side
    2,861.04x = 7,299,917.42
  5. Step 5: Solve for x
    x = 7,299,917.42/2,861.04
  6. Step 6: Final answer
    x = 2,551.49

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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.