Home / 1,556.04-2,334.56-690.60

Finding the Fourth Proportional to 1,556.04, 2,334.56 and 690.60

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Solution

The fourth proportional to 1,556.04, 2,334.56 and 690.60 is: 1,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.04 : 2,334.56 = 690.60 : x
  2. Step 2: Convert to fraction form
    1,556.04/2,334.56 = 690.60/x
  3. Step 3: Cross multiply
    1,556.04x = 2,334.56 × 690.60
  4. Step 4: Simplify right side
    1,556.04x = 1,612,247.14
  5. Step 5: Solve for x
    x = 1,612,247.14/1,556.04
  6. Step 6: Final answer
    x = 1,036.12

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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.