Home / 2,316.39-3,475.05-1,328.19

Finding the Fourth Proportional to 2,316.39, 3,475.05 and 1,328.19

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Solution

The fourth proportional to 2,316.39, 3,475.05 and 1,328.19 is: 1,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.39 : 3,475.05 = 1,328.19 : x
  2. Step 2: Convert to fraction form
    2,316.39/3,475.05 = 1,328.19/x
  3. Step 3: Cross multiply
    2,316.39x = 3,475.05 × 1,328.19
  4. Step 4: Simplify right side
    2,316.39x = 4,615,526.66
  5. Step 5: Solve for x
    x = 4,615,526.66/2,316.39
  6. Step 6: Final answer
    x = 1,992.55

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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.