Home / 3,646.40-5,031.87-2,074.46

Finding the Fourth Proportional to 3,646.40, 5,031.87 and 2,074.46

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Solution

The fourth proportional to 3,646.40, 5,031.87 and 2,074.46 is: 2,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.40 : 5,031.87 = 2,074.46 : x
  2. Step 2: Convert to fraction form
    3,646.40/5,031.87 = 2,074.46/x
  3. Step 3: Cross multiply
    3,646.40x = 5,031.87 × 2,074.46
  4. Step 4: Simplify right side
    3,646.40x = 10,438,413.04
  5. Step 5: Solve for x
    x = 10,438,413.04/3,646.40
  6. Step 6: Final answer
    x = 2,862.66

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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.