Home / 1,106.14-1,526.50-608.80

Finding the Fourth Proportional to 1,106.14, 1,526.50 and 608.80

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Solution

The fourth proportional to 1,106.14, 1,526.50 and 608.80 is: 840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.14 : 1,526.50 = 608.80 : x
  2. Step 2: Convert to fraction form
    1,106.14/1,526.50 = 608.80/x
  3. Step 3: Cross multiply
    1,106.14x = 1,526.50 × 608.80
  4. Step 4: Simplify right side
    1,106.14x = 929,333.20
  5. Step 5: Solve for x
    x = 929,333.20/1,106.14
  6. Step 6: Final answer
    x = 840.16

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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.