Home / 3,646.08-5,030.78-2,319.30

Finding the Fourth Proportional to 3,646.08, 5,030.78 and 2,319.30

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Solution

The fourth proportional to 3,646.08, 5,030.78 and 2,319.30 is: 3,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.08 : 5,030.78 = 2,319.30 : x
  2. Step 2: Convert to fraction form
    3,646.08/5,030.78 = 2,319.30/x
  3. Step 3: Cross multiply
    3,646.08x = 5,030.78 × 2,319.30
  4. Step 4: Simplify right side
    3,646.08x = 11,667,888.05
  5. Step 5: Solve for x
    x = 11,667,888.05/3,646.08
  6. Step 6: Final answer
    x = 3,200.12

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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.