Home / 1,024.10-1,413.13-631.02

Finding the Fourth Proportional to 1,024.10, 1,413.13 and 631.02

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Solution

The fourth proportional to 1,024.10, 1,413.13 and 631.02 is: 870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.10 : 1,413.13 = 631.02 : x
  2. Step 2: Convert to fraction form
    1,024.10/1,413.13 = 631.02/x
  3. Step 3: Cross multiply
    1,024.10x = 1,413.13 × 631.02
  4. Step 4: Simplify right side
    1,024.10x = 891,713.29
  5. Step 5: Solve for x
    x = 891,713.29/1,024.10
  6. Step 6: Final answer
    x = 870.73

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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.