Home / 3,381.04-5,070.78-1,530.91

Finding the Fourth Proportional to 3,381.04, 5,070.78 and 1,530.91

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Solution

The fourth proportional to 3,381.04, 5,070.78 and 1,530.91 is: 2,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.04 : 5,070.78 = 1,530.91 : x
  2. Step 2: Convert to fraction form
    3,381.04/5,070.78 = 1,530.91/x
  3. Step 3: Cross multiply
    3,381.04x = 5,070.78 × 1,530.91
  4. Step 4: Simplify right side
    3,381.04x = 7,762,907.81
  5. Step 5: Solve for x
    x = 7,762,907.81/3,381.04
  6. Step 6: Final answer
    x = 2,296.01

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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.