Home / 2,316.64-3,461.24-2,209.12

Finding the Fourth Proportional to 2,316.64, 3,461.24 and 2,209.12

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Solution

The fourth proportional to 2,316.64, 3,461.24 and 2,209.12 is: 3,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.64 : 3,461.24 = 2,209.12 : x
  2. Step 2: Convert to fraction form
    2,316.64/3,461.24 = 2,209.12/x
  3. Step 3: Cross multiply
    2,316.64x = 3,461.24 × 2,209.12
  4. Step 4: Simplify right side
    2,316.64x = 7,646,294.51
  5. Step 5: Solve for x
    x = 7,646,294.51/2,316.64
  6. Step 6: Final answer
    x = 3,300.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.