Home / 3,653.68-5,482.08-2,421.52

Finding the Fourth Proportional to 3,653.68, 5,482.08 and 2,421.52

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Solution

The fourth proportional to 3,653.68, 5,482.08 and 2,421.52 is: 3,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.68 : 5,482.08 = 2,421.52 : x
  2. Step 2: Convert to fraction form
    3,653.68/5,482.08 = 2,421.52/x
  3. Step 3: Cross multiply
    3,653.68x = 5,482.08 × 2,421.52
  4. Step 4: Simplify right side
    3,653.68x = 13,274,966.36
  5. Step 5: Solve for x
    x = 13,274,966.36/3,653.68
  6. Step 6: Final answer
    x = 3,633.31

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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.