Home / 3,461.04-5,191.40-1,611.51

Finding the Fourth Proportional to 3,461.04, 5,191.40 and 1,611.51

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Solution

The fourth proportional to 3,461.04, 5,191.40 and 1,611.51 is: 2,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.04 : 5,191.40 = 1,611.51 : x
  2. Step 2: Convert to fraction form
    3,461.04/5,191.40 = 1,611.51/x
  3. Step 3: Cross multiply
    3,461.04x = 5,191.40 × 1,611.51
  4. Step 4: Simplify right side
    3,461.04x = 8,365,984.96
  5. Step 5: Solve for x
    x = 8,365,984.96/3,461.04
  6. Step 6: Final answer
    x = 2,417.19

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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.