Home / 1,711.64-2,564.40-1,133.12

Finding the Fourth Proportional to 1,711.64, 2,564.40 and 1,133.12

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Solution

The fourth proportional to 1,711.64, 2,564.40 and 1,133.12 is: 1,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.64 : 2,564.40 = 1,133.12 : x
  2. Step 2: Convert to fraction form
    1,711.64/2,564.40 = 1,133.12/x
  3. Step 3: Cross multiply
    1,711.64x = 2,564.40 × 1,133.12
  4. Step 4: Simplify right side
    1,711.64x = 2,905,772.93
  5. Step 5: Solve for x
    x = 2,905,772.93/1,711.64
  6. Step 6: Final answer
    x = 1,697.65

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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.