Home / 1,413.24-2,117.88-632.22

Finding the Fourth Proportional to 1,413.24, 2,117.88 and 632.22

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Solution

The fourth proportional to 1,413.24, 2,117.88 and 632.22 is: 947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.24 : 2,117.88 = 632.22 : x
  2. Step 2: Convert to fraction form
    1,413.24/2,117.88 = 632.22/x
  3. Step 3: Cross multiply
    1,413.24x = 2,117.88 × 632.22
  4. Step 4: Simplify right side
    1,413.24x = 1,338,966.09
  5. Step 5: Solve for x
    x = 1,338,966.09/1,413.24
  6. Step 6: Final answer
    x = 947.44

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1.5x scale

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.