Home / 3,424.04-5,135.67-959.06

Finding the Fourth Proportional to 3,424.04, 5,135.67 and 959.06

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Solution

The fourth proportional to 3,424.04, 5,135.67 and 959.06 is: 1,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.04 : 5,135.67 = 959.06 : x
  2. Step 2: Convert to fraction form
    3,424.04/5,135.67 = 959.06/x
  3. Step 3: Cross multiply
    3,424.04x = 5,135.67 × 959.06
  4. Step 4: Simplify right side
    3,424.04x = 4,925,389.99
  5. Step 5: Solve for x
    x = 4,925,389.99/3,424.04
  6. Step 6: Final answer
    x = 1,438.48

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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.