Home / 3,699.40-5,549.98-1,102.32

Finding the Fourth Proportional to 3,699.40, 5,549.98 and 1,102.32

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Solution

The fourth proportional to 3,699.40, 5,549.98 and 1,102.32 is: 1,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.40 : 5,549.98 = 1,102.32 : x
  2. Step 2: Convert to fraction form
    3,699.40/5,549.98 = 1,102.32/x
  3. Step 3: Cross multiply
    3,699.40x = 5,549.98 × 1,102.32
  4. Step 4: Simplify right side
    3,699.40x = 6,117,853.95
  5. Step 5: Solve for x
    x = 6,117,853.95/3,699.40
  6. Step 6: Final answer
    x = 1,653.74

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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.