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Finding the Fourth Proportional to 1,592.93, 2,389.64 and 497.06

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Solution

The fourth proportional to 1,592.93, 2,389.64 and 497.06 is: 745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.93 : 2,389.64 = 497.06 : x
  2. Step 2: Convert to fraction form
    1,592.93/2,389.64 = 497.06/x
  3. Step 3: Cross multiply
    1,592.93x = 2,389.64 × 497.06
  4. Step 4: Simplify right side
    1,592.93x = 1,187,794.46
  5. Step 5: Solve for x
    x = 1,187,794.46/1,592.93
  6. Step 6: Final answer
    x = 745.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.