Home / 2,316.04-3,196.16-1,431.64

Finding the Fourth Proportional to 2,316.04, 3,196.16 and 1,431.64

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Solution

The fourth proportional to 2,316.04, 3,196.16 and 1,431.64 is: 1,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.04 : 3,196.16 = 1,431.64 : x
  2. Step 2: Convert to fraction form
    2,316.04/3,196.16 = 1,431.64/x
  3. Step 3: Cross multiply
    2,316.04x = 3,196.16 × 1,431.64
  4. Step 4: Simplify right side
    2,316.04x = 4,575,750.50
  5. Step 5: Solve for x
    x = 4,575,750.50/2,316.04
  6. Step 6: Final answer
    x = 1,975.68

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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.