Home / 3,475.77-5,214.87-1,528.13

Finding the Fourth Proportional to 3,475.77, 5,214.87 and 1,528.13

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Solution

The fourth proportional to 3,475.77, 5,214.87 and 1,528.13 is: 2,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.77 : 5,214.87 = 1,528.13 : x
  2. Step 2: Convert to fraction form
    3,475.77/5,214.87 = 1,528.13/x
  3. Step 3: Cross multiply
    3,475.77x = 5,214.87 × 1,528.13
  4. Step 4: Simplify right side
    3,475.77x = 7,968,973.22
  5. Step 5: Solve for x
    x = 7,968,973.22/3,475.77
  6. Step 6: Final answer
    x = 2,292.72

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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.