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Finding the Fourth Proportional to 2,483.76, 3,725.58 and 752.40

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Solution

The fourth proportional to 2,483.76, 3,725.58 and 752.40 is: 1,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.76 : 3,725.58 = 752.40 : x
  2. Step 2: Convert to fraction form
    2,483.76/3,725.58 = 752.40/x
  3. Step 3: Cross multiply
    2,483.76x = 3,725.58 × 752.40
  4. Step 4: Simplify right side
    2,483.76x = 2,803,126.39
  5. Step 5: Solve for x
    x = 2,803,126.39/2,483.76
  6. Step 6: Final answer
    x = 1,128.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.