Home / 3,312.95-4,570.92-2,134.71

Finding the Fourth Proportional to 3,312.95, 4,570.92 and 2,134.71

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Solution

The fourth proportional to 3,312.95, 4,570.92 and 2,134.71 is: 2,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.95 : 4,570.92 = 2,134.71 : x
  2. Step 2: Convert to fraction form
    3,312.95/4,570.92 = 2,134.71/x
  3. Step 3: Cross multiply
    3,312.95x = 4,570.92 × 2,134.71
  4. Step 4: Simplify right side
    3,312.95x = 9,757,588.63
  5. Step 5: Solve for x
    x = 9,757,588.63/3,312.95
  6. Step 6: Final answer
    x = 2,945.29

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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.