Home / 2,306.78-3,461.38-1,384.19

Finding the Fourth Proportional to 2,306.78, 3,461.38 and 1,384.19

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Solution

The fourth proportional to 2,306.78, 3,461.38 and 1,384.19 is: 2,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.78 : 3,461.38 = 1,384.19 : x
  2. Step 2: Convert to fraction form
    2,306.78/3,461.38 = 1,384.19/x
  3. Step 3: Cross multiply
    2,306.78x = 3,461.38 × 1,384.19
  4. Step 4: Simplify right side
    2,306.78x = 4,791,207.58
  5. Step 5: Solve for x
    x = 4,791,207.58/2,306.78
  6. Step 6: Final answer
    x = 2,077.01

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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.