Home / 1,677.16-2,514.06-1,128.04

Finding the Fourth Proportional to 1,677.16, 2,514.06 and 1,128.04

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Solution

The fourth proportional to 1,677.16, 2,514.06 and 1,128.04 is: 1,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.16 : 2,514.06 = 1,128.04 : x
  2. Step 2: Convert to fraction form
    1,677.16/2,514.06 = 1,128.04/x
  3. Step 3: Cross multiply
    1,677.16x = 2,514.06 × 1,128.04
  4. Step 4: Simplify right side
    1,677.16x = 2,835,960.24
  5. Step 5: Solve for x
    x = 2,835,960.24/1,677.16
  6. Step 6: Final answer
    x = 1,690.93

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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.