Home / 2,319.17-3,477.87-837.99

Finding the Fourth Proportional to 2,319.17, 3,477.87 and 837.99

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Solution

The fourth proportional to 2,319.17, 3,477.87 and 837.99 is: 1,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.17 : 3,477.87 = 837.99 : x
  2. Step 2: Convert to fraction form
    2,319.17/3,477.87 = 837.99/x
  3. Step 3: Cross multiply
    2,319.17x = 3,477.87 × 837.99
  4. Step 4: Simplify right side
    2,319.17x = 2,914,420.28
  5. Step 5: Solve for x
    x = 2,914,420.28/2,319.17
  6. Step 6: Final answer
    x = 1,256.67

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1.5x scale

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.