Home / 3,503.08-5,256.80-1,313.35

Finding the Fourth Proportional to 3,503.08, 5,256.80 and 1,313.35

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Solution

The fourth proportional to 3,503.08, 5,256.80 and 1,313.35 is: 1,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.08 : 5,256.80 = 1,313.35 : x
  2. Step 2: Convert to fraction form
    3,503.08/5,256.80 = 1,313.35/x
  3. Step 3: Cross multiply
    3,503.08x = 5,256.80 × 1,313.35
  4. Step 4: Simplify right side
    3,503.08x = 6,904,003.50
  5. Step 5: Solve for x
    x = 6,904,003.50/3,503.08
  6. Step 6: Final answer
    x = 1,970.84

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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.