Home / 4,209.30-5,810.40-2,530.80

Finding the Fourth Proportional to 4,209.30, 5,810.40 and 2,530.80

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Solution

The fourth proportional to 4,209.30, 5,810.40 and 2,530.80 is: 3,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.30 : 5,810.40 = 2,530.80 : x
  2. Step 2: Convert to fraction form
    4,209.30/5,810.40 = 2,530.80/x
  3. Step 3: Cross multiply
    4,209.30x = 5,810.40 × 2,530.80
  4. Step 4: Simplify right side
    4,209.30x = 14,704,960.32
  5. Step 5: Solve for x
    x = 14,704,960.32/4,209.30
  6. Step 6: Final answer
    x = 3,493.45

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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.