Home / 3,549.50-4,900.14-2,503.40

Finding the Fourth Proportional to 3,549.50, 4,900.14 and 2,503.40

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Solution

The fourth proportional to 3,549.50, 4,900.14 and 2,503.40 is: 3,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.50 : 4,900.14 = 2,503.40 : x
  2. Step 2: Convert to fraction form
    3,549.50/4,900.14 = 2,503.40/x
  3. Step 3: Cross multiply
    3,549.50x = 4,900.14 × 2,503.40
  4. Step 4: Simplify right side
    3,549.50x = 12,267,010.48
  5. Step 5: Solve for x
    x = 12,267,010.48/3,549.50
  6. Step 6: Final answer
    x = 3,455.98

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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.