Home / 2,091.42-3,130.65-1,504.17

Finding the Fourth Proportional to 2,091.42, 3,130.65 and 1,504.17

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Solution

The fourth proportional to 2,091.42, 3,130.65 and 1,504.17 is: 2,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.42 : 3,130.65 = 1,504.17 : x
  2. Step 2: Convert to fraction form
    2,091.42/3,130.65 = 1,504.17/x
  3. Step 3: Cross multiply
    2,091.42x = 3,130.65 × 1,504.17
  4. Step 4: Simplify right side
    2,091.42x = 4,709,029.81
  5. Step 5: Solve for x
    x = 4,709,029.81/2,091.42
  6. Step 6: Final answer
    x = 2,251.59

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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.