Home / 2,860.94-4,292.01-913.29

Finding the Fourth Proportional to 2,860.94, 4,292.01 and 913.29

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Solution

The fourth proportional to 2,860.94, 4,292.01 and 913.29 is: 1,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.94 : 4,292.01 = 913.29 : x
  2. Step 2: Convert to fraction form
    2,860.94/4,292.01 = 913.29/x
  3. Step 3: Cross multiply
    2,860.94x = 4,292.01 × 913.29
  4. Step 4: Simplify right side
    2,860.94x = 3,919,849.81
  5. Step 5: Solve for x
    x = 3,919,849.81/2,860.94
  6. Step 6: Final answer
    x = 1,370.13

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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.