Home / 3,715.34-5,573.48-1,118.28

Finding the Fourth Proportional to 3,715.34, 5,573.48 and 1,118.28

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Solution

The fourth proportional to 3,715.34, 5,573.48 and 1,118.28 is: 1,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.34 : 5,573.48 = 1,118.28 : x
  2. Step 2: Convert to fraction form
    3,715.34/5,573.48 = 1,118.28/x
  3. Step 3: Cross multiply
    3,715.34x = 5,573.48 × 1,118.28
  4. Step 4: Simplify right side
    3,715.34x = 6,232,711.21
  5. Step 5: Solve for x
    x = 6,232,711.21/3,715.34
  6. Step 6: Final answer
    x = 1,677.56

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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.