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Finding the Fourth Proportional to 2,845.59, 4,268.93 and 898.35

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Solution

The fourth proportional to 2,845.59, 4,268.93 and 898.35 is: 1,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.59 : 4,268.93 = 898.35 : x
  2. Step 2: Convert to fraction form
    2,845.59/4,268.93 = 898.35/x
  3. Step 3: Cross multiply
    2,845.59x = 4,268.93 × 898.35
  4. Step 4: Simplify right side
    2,845.59x = 3,834,988.77
  5. Step 5: Solve for x
    x = 3,834,988.77/2,845.59
  6. Step 6: Final answer
    x = 1,347.70

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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.