Home / 3,090.18-4,264.48-1,692.84

Finding the Fourth Proportional to 3,090.18, 4,264.48 and 1,692.84

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Solution

The fourth proportional to 3,090.18, 4,264.48 and 1,692.84 is: 2,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.18 : 4,264.48 = 1,692.84 : x
  2. Step 2: Convert to fraction form
    3,090.18/4,264.48 = 1,692.84/x
  3. Step 3: Cross multiply
    3,090.18x = 4,264.48 × 1,692.84
  4. Step 4: Simplify right side
    3,090.18x = 7,219,082.32
  5. Step 5: Solve for x
    x = 7,219,082.32/3,090.18
  6. Step 6: Final answer
    x = 2,336.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.