Home / 2,577.02-3,556.26-1,398.08

Finding the Fourth Proportional to 2,577.02, 3,556.26 and 1,398.08

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Solution

The fourth proportional to 2,577.02, 3,556.26 and 1,398.08 is: 1,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.02 : 3,556.26 = 1,398.08 : x
  2. Step 2: Convert to fraction form
    2,577.02/3,556.26 = 1,398.08/x
  3. Step 3: Cross multiply
    2,577.02x = 3,556.26 × 1,398.08
  4. Step 4: Simplify right side
    2,577.02x = 4,971,935.98
  5. Step 5: Solve for x
    x = 4,971,935.98/2,577.02
  6. Step 6: Final answer
    x = 1,929.34

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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.