Home / 3,509.04-5,262.40-2,123.36

Finding the Fourth Proportional to 3,509.04, 5,262.40 and 2,123.36

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Solution

The fourth proportional to 3,509.04, 5,262.40 and 2,123.36 is: 3,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.04 : 5,262.40 = 2,123.36 : x
  2. Step 2: Convert to fraction form
    3,509.04/5,262.40 = 2,123.36/x
  3. Step 3: Cross multiply
    3,509.04x = 5,262.40 × 2,123.36
  4. Step 4: Simplify right side
    3,509.04x = 11,173,969.66
  5. Step 5: Solve for x
    x = 11,173,969.66/3,509.04
  6. Step 6: Final answer
    x = 3,184.34

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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.