Home / 1,695.93-2,340.38-1,556.61

Finding the Fourth Proportional to 1,695.93, 2,340.38 and 1,556.61

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Solution

The fourth proportional to 1,695.93, 2,340.38 and 1,556.61 is: 2,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.93 : 2,340.38 = 1,556.61 : x
  2. Step 2: Convert to fraction form
    1,695.93/2,340.38 = 1,556.61/x
  3. Step 3: Cross multiply
    1,695.93x = 2,340.38 × 1,556.61
  4. Step 4: Simplify right side
    1,695.93x = 3,643,051.13
  5. Step 5: Solve for x
    x = 3,643,051.13/1,695.93
  6. Step 6: Final answer
    x = 2,148.11

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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.