Home / 2,318.51-3,478.23-675.08

Finding the Fourth Proportional to 2,318.51, 3,478.23 and 675.08

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Solution

The fourth proportional to 2,318.51, 3,478.23 and 675.08 is: 1,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.51 : 3,478.23 = 675.08 : x
  2. Step 2: Convert to fraction form
    2,318.51/3,478.23 = 675.08/x
  3. Step 3: Cross multiply
    2,318.51x = 3,478.23 × 675.08
  4. Step 4: Simplify right side
    2,318.51x = 2,348,066.12
  5. Step 5: Solve for x
    x = 2,348,066.12/2,318.51
  6. Step 6: Final answer
    x = 1,012.75

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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.