Home / 3,465.30-4,782.38-1,973.69

Finding the Fourth Proportional to 3,465.30, 4,782.38 and 1,973.69

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Solution

The fourth proportional to 3,465.30, 4,782.38 and 1,973.69 is: 2,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.30 : 4,782.38 = 1,973.69 : x
  2. Step 2: Convert to fraction form
    3,465.30/4,782.38 = 1,973.69/x
  3. Step 3: Cross multiply
    3,465.30x = 4,782.38 × 1,973.69
  4. Step 4: Simplify right side
    3,465.30x = 9,438,935.58
  5. Step 5: Solve for x
    x = 9,438,935.58/3,465.30
  6. Step 6: Final answer
    x = 2,723.84

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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.