Home / 2,810.24-4,214.40-1,164.80

Finding the Fourth Proportional to 2,810.24, 4,214.40 and 1,164.80

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Solution

The fourth proportional to 2,810.24, 4,214.40 and 1,164.80 is: 1,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.24 : 4,214.40 = 1,164.80 : x
  2. Step 2: Convert to fraction form
    2,810.24/4,214.40 = 1,164.80/x
  3. Step 3: Cross multiply
    2,810.24x = 4,214.40 × 1,164.80
  4. Step 4: Simplify right side
    2,810.24x = 4,908,933.12
  5. Step 5: Solve for x
    x = 4,908,933.12/2,810.24
  6. Step 6: Final answer
    x = 1,746.80

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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.