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Finding the Fourth Proportional to 2,885.58, 4,320.54 and 1,899.54

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Solution

The fourth proportional to 2,885.58, 4,320.54 and 1,899.54 is: 2,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.58 : 4,320.54 = 1,899.54 : x
  2. Step 2: Convert to fraction form
    2,885.58/4,320.54 = 1,899.54/x
  3. Step 3: Cross multiply
    2,885.58x = 4,320.54 × 1,899.54
  4. Step 4: Simplify right side
    2,885.58x = 8,207,038.55
  5. Step 5: Solve for x
    x = 8,207,038.55/2,885.58
  6. Step 6: Final answer
    x = 2,844.16

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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.