Home / 1,130.08-1,684.03-1,092.92

Finding the Fourth Proportional to 1,130.08, 1,684.03 and 1,092.92

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Solution

The fourth proportional to 1,130.08, 1,684.03 and 1,092.92 is: 1,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.08 : 1,684.03 = 1,092.92 : x
  2. Step 2: Convert to fraction form
    1,130.08/1,684.03 = 1,092.92/x
  3. Step 3: Cross multiply
    1,130.08x = 1,684.03 × 1,092.92
  4. Step 4: Simplify right side
    1,130.08x = 1,840,510.07
  5. Step 5: Solve for x
    x = 1,840,510.07/1,130.08
  6. Step 6: Final answer
    x = 1,628.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.