Home / 3,088.10-4,631.40-896.60

Finding the Fourth Proportional to 3,088.10, 4,631.40 and 896.60

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Solution

The fourth proportional to 3,088.10, 4,631.40 and 896.60 is: 1,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.10 : 4,631.40 = 896.60 : x
  2. Step 2: Convert to fraction form
    3,088.10/4,631.40 = 896.60/x
  3. Step 3: Cross multiply
    3,088.10x = 4,631.40 × 896.60
  4. Step 4: Simplify right side
    3,088.10x = 4,152,513.24
  5. Step 5: Solve for x
    x = 4,152,513.24/3,088.10
  6. Step 6: Final answer
    x = 1,344.68

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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.