Home / 1,785.50-2,464.64-1,077.38

Finding the Fourth Proportional to 1,785.50, 2,464.64 and 1,077.38

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Solution

The fourth proportional to 1,785.50, 2,464.64 and 1,077.38 is: 1,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.50 : 2,464.64 = 1,077.38 : x
  2. Step 2: Convert to fraction form
    1,785.50/2,464.64 = 1,077.38/x
  3. Step 3: Cross multiply
    1,785.50x = 2,464.64 × 1,077.38
  4. Step 4: Simplify right side
    1,785.50x = 2,655,353.84
  5. Step 5: Solve for x
    x = 2,655,353.84/1,785.50
  6. Step 6: Final answer
    x = 1,487.18

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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.