Home / 1,534.51-2,117.63-835.89

Finding the Fourth Proportional to 1,534.51, 2,117.63 and 835.89

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Solution

The fourth proportional to 1,534.51, 2,117.63 and 835.89 is: 1,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.51 : 2,117.63 = 835.89 : x
  2. Step 2: Convert to fraction form
    1,534.51/2,117.63 = 835.89/x
  3. Step 3: Cross multiply
    1,534.51x = 2,117.63 × 835.89
  4. Step 4: Simplify right side
    1,534.51x = 1,770,101.56
  5. Step 5: Solve for x
    x = 1,770,101.56/1,534.51
  6. Step 6: Final answer
    x = 1,153.53

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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.