Home / 1,748.79-2,413.40-1,190.36

Finding the Fourth Proportional to 1,748.79, 2,413.40 and 1,190.36

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Solution

The fourth proportional to 1,748.79, 2,413.40 and 1,190.36 is: 1,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.79 : 2,413.40 = 1,190.36 : x
  2. Step 2: Convert to fraction form
    1,748.79/2,413.40 = 1,190.36/x
  3. Step 3: Cross multiply
    1,748.79x = 2,413.40 × 1,190.36
  4. Step 4: Simplify right side
    1,748.79x = 2,872,814.91
  5. Step 5: Solve for x
    x = 2,872,814.91/1,748.79
  6. Step 6: Final answer
    x = 1,642.74

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1.5x scale

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.