Home / 2,599.03-3,586.70-1,420.13

Finding the Fourth Proportional to 2,599.03, 3,586.70 and 1,420.13

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Solution

The fourth proportional to 2,599.03, 3,586.70 and 1,420.13 is: 1,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.03 : 3,586.70 = 1,420.13 : x
  2. Step 2: Convert to fraction form
    2,599.03/3,586.70 = 1,420.13/x
  3. Step 3: Cross multiply
    2,599.03x = 3,586.70 × 1,420.13
  4. Step 4: Simplify right side
    2,599.03x = 5,093,564.62
  5. Step 5: Solve for x
    x = 5,093,564.62/2,599.03
  6. Step 6: Final answer
    x = 1,959.79

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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.