Home / 1,556.20-2,334.32-460.58

Finding the Fourth Proportional to 1,556.20, 2,334.32 and 460.58

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Solution

The fourth proportional to 1,556.20, 2,334.32 and 460.58 is: 690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.20 : 2,334.32 = 460.58 : x
  2. Step 2: Convert to fraction form
    1,556.20/2,334.32 = 460.58/x
  3. Step 3: Cross multiply
    1,556.20x = 2,334.32 × 460.58
  4. Step 4: Simplify right side
    1,556.20x = 1,075,141.11
  5. Step 5: Solve for x
    x = 1,075,141.11/1,556.20
  6. Step 6: Final answer
    x = 690.88

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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.