Home / 2,930.84-4,044.67-1,672.10

Finding the Fourth Proportional to 2,930.84, 4,044.67 and 1,672.10

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Solution

The fourth proportional to 2,930.84, 4,044.67 and 1,672.10 is: 2,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.84 : 4,044.67 = 1,672.10 : x
  2. Step 2: Convert to fraction form
    2,930.84/4,044.67 = 1,672.10/x
  3. Step 3: Cross multiply
    2,930.84x = 4,044.67 × 1,672.10
  4. Step 4: Simplify right side
    2,930.84x = 6,763,064.12
  5. Step 5: Solve for x
    x = 6,763,064.12/2,930.84
  6. Step 6: Final answer
    x = 2,307.56

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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.