Home / 1,413.38-2,118.62-592.13

Finding the Fourth Proportional to 1,413.38, 2,118.62 and 592.13

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Solution

The fourth proportional to 1,413.38, 2,118.62 and 592.13 is: 887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.38 : 2,118.62 = 592.13 : x
  2. Step 2: Convert to fraction form
    1,413.38/2,118.62 = 592.13/x
  3. Step 3: Cross multiply
    1,413.38x = 2,118.62 × 592.13
  4. Step 4: Simplify right side
    1,413.38x = 1,254,484.91
  5. Step 5: Solve for x
    x = 1,254,484.91/1,413.38
  6. Step 6: Final answer
    x = 887.58

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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.