Home / 1,757.60-2,425.50-971.67

Finding the Fourth Proportional to 1,757.60, 2,425.50 and 971.67

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Solution

The fourth proportional to 1,757.60, 2,425.50 and 971.67 is: 1,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.60 : 2,425.50 = 971.67 : x
  2. Step 2: Convert to fraction form
    1,757.60/2,425.50 = 971.67/x
  3. Step 3: Cross multiply
    1,757.60x = 2,425.50 × 971.67
  4. Step 4: Simplify right side
    1,757.60x = 2,356,785.59
  5. Step 5: Solve for x
    x = 2,356,785.59/1,757.60
  6. Step 6: Final answer
    x = 1,340.92

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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.