Home / 2,320.60-3,478.02-1,149.34

Finding the Fourth Proportional to 2,320.60, 3,478.02 and 1,149.34

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Solution

The fourth proportional to 2,320.60, 3,478.02 and 1,149.34 is: 1,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.60 : 3,478.02 = 1,149.34 : x
  2. Step 2: Convert to fraction form
    2,320.60/3,478.02 = 1,149.34/x
  3. Step 3: Cross multiply
    2,320.60x = 3,478.02 × 1,149.34
  4. Step 4: Simplify right side
    2,320.60x = 3,997,427.51
  5. Step 5: Solve for x
    x = 3,997,427.51/2,320.60
  6. Step 6: Final answer
    x = 1,722.58

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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.