Home / 2,746.65-4,117.14-1,187.67

Finding the Fourth Proportional to 2,746.65, 4,117.14 and 1,187.67

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Solution

The fourth proportional to 2,746.65, 4,117.14 and 1,187.67 is: 1,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.65 : 4,117.14 = 1,187.67 : x
  2. Step 2: Convert to fraction form
    2,746.65/4,117.14 = 1,187.67/x
  3. Step 3: Cross multiply
    2,746.65x = 4,117.14 × 1,187.67
  4. Step 4: Simplify right side
    2,746.65x = 4,889,803.66
  5. Step 5: Solve for x
    x = 4,889,803.66/2,746.65
  6. Step 6: Final answer
    x = 1,780.28

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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.