Home / 2,088.10-3,115.80-2,038.70

Finding the Fourth Proportional to 2,088.10, 3,115.80 and 2,038.70

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Solution

The fourth proportional to 2,088.10, 3,115.80 and 2,038.70 is: 3,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.10 : 3,115.80 = 2,038.70 : x
  2. Step 2: Convert to fraction form
    2,088.10/3,115.80 = 2,038.70/x
  3. Step 3: Cross multiply
    2,088.10x = 3,115.80 × 2,038.70
  4. Step 4: Simplify right side
    2,088.10x = 6,352,181.46
  5. Step 5: Solve for x
    x = 6,352,181.46/2,088.10
  6. Step 6: Final answer
    x = 3,042.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.