Home / 1,904.05-2,625.58-1,307.42

Finding the Fourth Proportional to 1,904.05, 2,625.58 and 1,307.42

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Solution

The fourth proportional to 1,904.05, 2,625.58 and 1,307.42 is: 1,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.05 : 2,625.58 = 1,307.42 : x
  2. Step 2: Convert to fraction form
    1,904.05/2,625.58 = 1,307.42/x
  3. Step 3: Cross multiply
    1,904.05x = 2,625.58 × 1,307.42
  4. Step 4: Simplify right side
    1,904.05x = 3,432,735.80
  5. Step 5: Solve for x
    x = 3,432,735.80/1,904.05
  6. Step 6: Final answer
    x = 1,802.86

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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.