Home / 3,013.60-4,494.68-2,909.12

Finding the Fourth Proportional to 3,013.60, 4,494.68 and 2,909.12

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Solution

The fourth proportional to 3,013.60, 4,494.68 and 2,909.12 is: 4,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.60 : 4,494.68 = 2,909.12 : x
  2. Step 2: Convert to fraction form
    3,013.60/4,494.68 = 2,909.12/x
  3. Step 3: Cross multiply
    3,013.60x = 4,494.68 × 2,909.12
  4. Step 4: Simplify right side
    3,013.60x = 13,075,563.48
  5. Step 5: Solve for x
    x = 13,075,563.48/3,013.60
  6. Step 6: Final answer
    x = 4,338.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.