Home / 1,534.57-2,117.70-835.93

Finding the Fourth Proportional to 1,534.57, 2,117.70 and 835.93

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Solution

The fourth proportional to 1,534.57, 2,117.70 and 835.93 is: 1,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.57 : 2,117.70 = 835.93 : x
  2. Step 2: Convert to fraction form
    1,534.57/2,117.70 = 835.93/x
  3. Step 3: Cross multiply
    1,534.57x = 2,117.70 × 835.93
  4. Step 4: Simplify right side
    1,534.57x = 1,770,248.96
  5. Step 5: Solve for x
    x = 1,770,248.96/1,534.57
  6. Step 6: Final answer
    x = 1,153.58

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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.