Home / 2,929.51-4,395.42-2,153.41

Finding the Fourth Proportional to 2,929.51, 4,395.42 and 2,153.41

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Solution

The fourth proportional to 2,929.51, 4,395.42 and 2,153.41 is: 3,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.51 : 4,395.42 = 2,153.41 : x
  2. Step 2: Convert to fraction form
    2,929.51/4,395.42 = 2,153.41/x
  3. Step 3: Cross multiply
    2,929.51x = 4,395.42 × 2,153.41
  4. Step 4: Simplify right side
    2,929.51x = 9,465,141.38
  5. Step 5: Solve for x
    x = 9,465,141.38/2,929.51
  6. Step 6: Final answer
    x = 3,230.96

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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.