Home / 1,669.95-2,314.26-1,646.46

Finding the Fourth Proportional to 1,669.95, 2,314.26 and 1,646.46

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Solution

The fourth proportional to 1,669.95, 2,314.26 and 1,646.46 is: 2,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.95 : 2,314.26 = 1,646.46 : x
  2. Step 2: Convert to fraction form
    1,669.95/2,314.26 = 1,646.46/x
  3. Step 3: Cross multiply
    1,669.95x = 2,314.26 × 1,646.46
  4. Step 4: Simplify right side
    1,669.95x = 3,810,336.52
  5. Step 5: Solve for x
    x = 3,810,336.52/1,669.95
  6. Step 6: Final answer
    x = 2,281.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.