Home / 2,298.60-3,172.68-1,354.50

Finding the Fourth Proportional to 2,298.60, 3,172.68 and 1,354.50

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Solution

The fourth proportional to 2,298.60, 3,172.68 and 1,354.50 is: 1,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.60 : 3,172.68 = 1,354.50 : x
  2. Step 2: Convert to fraction form
    2,298.60/3,172.68 = 1,354.50/x
  3. Step 3: Cross multiply
    2,298.60x = 3,172.68 × 1,354.50
  4. Step 4: Simplify right side
    2,298.60x = 4,297,395.06
  5. Step 5: Solve for x
    x = 4,297,395.06/2,298.60
  6. Step 6: Final answer
    x = 1,869.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.