Home / 1,566.80-2,160.70-1,195

Finding the Fourth Proportional to 1,566.80, 2,160.70 and 1,195

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Solution

The fourth proportional to 1,566.80, 2,160.70 and 1,195 is: 1,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.80 : 2,160.70 = 1,195 : x
  2. Step 2: Convert to fraction form
    1,566.80/2,160.70 = 1,195/x
  3. Step 3: Cross multiply
    1,566.80x = 2,160.70 × 1,195
  4. Step 4: Simplify right side
    1,566.80x = 2,582,036.50
  5. Step 5: Solve for x
    x = 2,582,036.50/1,566.80
  6. Step 6: Final answer
    x = 1,647.97

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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.