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Finding the Fourth Proportional to 1,560.93, 2,341.53 and 683.50

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Solution

The fourth proportional to 1,560.93, 2,341.53 and 683.50 is: 1,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.93 : 2,341.53 = 683.50 : x
  2. Step 2: Convert to fraction form
    1,560.93/2,341.53 = 683.50/x
  3. Step 3: Cross multiply
    1,560.93x = 2,341.53 × 683.50
  4. Step 4: Simplify right side
    1,560.93x = 1,600,435.76
  5. Step 5: Solve for x
    x = 1,600,435.76/1,560.93
  6. Step 6: Final answer
    x = 1,025.31

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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.