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Finding the Fourth Proportional to 1,799.94, 2,483.13 and 1,210.65

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Solution

The fourth proportional to 1,799.94, 2,483.13 and 1,210.65 is: 1,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.94 : 2,483.13 = 1,210.65 : x
  2. Step 2: Convert to fraction form
    1,799.94/2,483.13 = 1,210.65/x
  3. Step 3: Cross multiply
    1,799.94x = 2,483.13 × 1,210.65
  4. Step 4: Simplify right side
    1,799.94x = 3,006,201.33
  5. Step 5: Solve for x
    x = 3,006,201.33/1,799.94
  6. Step 6: Final answer
    x = 1,670.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.