Home / 2,123.04-3,184.92-1,353.36

Finding the Fourth Proportional to 2,123.04, 3,184.92 and 1,353.36

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Solution

The fourth proportional to 2,123.04, 3,184.92 and 1,353.36 is: 2,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.04 : 3,184.92 = 1,353.36 : x
  2. Step 2: Convert to fraction form
    2,123.04/3,184.92 = 1,353.36/x
  3. Step 3: Cross multiply
    2,123.04x = 3,184.92 × 1,353.36
  4. Step 4: Simplify right side
    2,123.04x = 4,310,343.33
  5. Step 5: Solve for x
    x = 4,310,343.33/2,123.04
  6. Step 6: Final answer
    x = 2,030.27

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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.