Home / 1,878.29-2,591.93-1,038.94

Finding the Fourth Proportional to 1,878.29, 2,591.93 and 1,038.94

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Solution

The fourth proportional to 1,878.29, 2,591.93 and 1,038.94 is: 1,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.29 : 2,591.93 = 1,038.94 : x
  2. Step 2: Convert to fraction form
    1,878.29/2,591.93 = 1,038.94/x
  3. Step 3: Cross multiply
    1,878.29x = 2,591.93 × 1,038.94
  4. Step 4: Simplify right side
    1,878.29x = 2,692,848.08
  5. Step 5: Solve for x
    x = 2,692,848.08/1,878.29
  6. Step 6: Final answer
    x = 1,433.67

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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.