Home / 3,642.89-5,464.73-1,562.40

Finding the Fourth Proportional to 3,642.89, 5,464.73 and 1,562.40

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Solution

The fourth proportional to 3,642.89, 5,464.73 and 1,562.40 is: 2,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.89 : 5,464.73 = 1,562.40 : x
  2. Step 2: Convert to fraction form
    3,642.89/5,464.73 = 1,562.40/x
  3. Step 3: Cross multiply
    3,642.89x = 5,464.73 × 1,562.40
  4. Step 4: Simplify right side
    3,642.89x = 8,538,098.06
  5. Step 5: Solve for x
    x = 8,538,098.06/3,642.89
  6. Step 6: Final answer
    x = 2,343.77

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1.5x scale

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.