Home / 1,715.26-2,557.83-1,699.67

Finding the Fourth Proportional to 1,715.26, 2,557.83 and 1,699.67

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Solution

The fourth proportional to 1,715.26, 2,557.83 and 1,699.67 is: 2,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.26 : 2,557.83 = 1,699.67 : x
  2. Step 2: Convert to fraction form
    1,715.26/2,557.83 = 1,699.67/x
  3. Step 3: Cross multiply
    1,715.26x = 2,557.83 × 1,699.67
  4. Step 4: Simplify right side
    1,715.26x = 4,347,466.92
  5. Step 5: Solve for x
    x = 4,347,466.92/1,715.26
  6. Step 6: Final answer
    x = 2,534.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.