Home / 2,307.34-3,184.31-1,423.22

Finding the Fourth Proportional to 2,307.34, 3,184.31 and 1,423.22

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Solution

The fourth proportional to 2,307.34, 3,184.31 and 1,423.22 is: 1,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.34 : 3,184.31 = 1,423.22 : x
  2. Step 2: Convert to fraction form
    2,307.34/3,184.31 = 1,423.22/x
  3. Step 3: Cross multiply
    2,307.34x = 3,184.31 × 1,423.22
  4. Step 4: Simplify right side
    2,307.34x = 4,531,979.23
  5. Step 5: Solve for x
    x = 4,531,979.23/2,307.34
  6. Step 6: Final answer
    x = 1,964.16

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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.