Home / 1,106.07-1,526.38-608.79

Finding the Fourth Proportional to 1,106.07, 1,526.38 and 608.79

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Solution

The fourth proportional to 1,106.07, 1,526.38 and 608.79 is: 840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.07 : 1,526.38 = 608.79 : x
  2. Step 2: Convert to fraction form
    1,106.07/1,526.38 = 608.79/x
  3. Step 3: Cross multiply
    1,106.07x = 1,526.38 × 608.79
  4. Step 4: Simplify right side
    1,106.07x = 929,247.36
  5. Step 5: Solve for x
    x = 929,247.36/1,106.07
  6. Step 6: Final answer
    x = 840.14

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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.