Home / 3,184.40-4,776.09-875.36

Finding the Fourth Proportional to 3,184.40, 4,776.09 and 875.36

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Solution

The fourth proportional to 3,184.40, 4,776.09 and 875.36 is: 1,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.40 : 4,776.09 = 875.36 : x
  2. Step 2: Convert to fraction form
    3,184.40/4,776.09 = 875.36/x
  3. Step 3: Cross multiply
    3,184.40x = 4,776.09 × 875.36
  4. Step 4: Simplify right side
    3,184.40x = 4,180,798.14
  5. Step 5: Solve for x
    x = 4,180,798.14/3,184.40
  6. Step 6: Final answer
    x = 1,312.90

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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.