Home / 1,177.26-1,624.60-653.32

Finding the Fourth Proportional to 1,177.26, 1,624.60 and 653.32

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Solution

The fourth proportional to 1,177.26, 1,624.60 and 653.32 is: 901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.26 : 1,624.60 = 653.32 : x
  2. Step 2: Convert to fraction form
    1,177.26/1,624.60 = 653.32/x
  3. Step 3: Cross multiply
    1,177.26x = 1,624.60 × 653.32
  4. Step 4: Simplify right side
    1,177.26x = 1,061,383.67
  5. Step 5: Solve for x
    x = 1,061,383.67/1,177.26
  6. Step 6: Final answer
    x = 901.57

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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.