Home / 1,458.37-2,188.28-1,068.76

Finding the Fourth Proportional to 1,458.37, 2,188.28 and 1,068.76

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Solution

The fourth proportional to 1,458.37, 2,188.28 and 1,068.76 is: 1,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.37 : 2,188.28 = 1,068.76 : x
  2. Step 2: Convert to fraction form
    1,458.37/2,188.28 = 1,068.76/x
  3. Step 3: Cross multiply
    1,458.37x = 2,188.28 × 1,068.76
  4. Step 4: Simplify right side
    1,458.37x = 2,338,746.13
  5. Step 5: Solve for x
    x = 2,338,746.13/1,458.37
  6. Step 6: Final answer
    x = 1,603.67

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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.