Home / 3,675.02-5,513.29-1,209.99

Finding the Fourth Proportional to 3,675.02, 5,513.29 and 1,209.99

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Solution

The fourth proportional to 3,675.02, 5,513.29 and 1,209.99 is: 1,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.02 : 5,513.29 = 1,209.99 : x
  2. Step 2: Convert to fraction form
    3,675.02/5,513.29 = 1,209.99/x
  3. Step 3: Cross multiply
    3,675.02x = 5,513.29 × 1,209.99
  4. Step 4: Simplify right side
    3,675.02x = 6,671,015.81
  5. Step 5: Solve for x
    x = 6,671,015.81/3,675.02
  6. Step 6: Final answer
    x = 1,815.23

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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.