Home / 3,123.04-4,313.34-2,126.59

Finding the Fourth Proportional to 3,123.04, 4,313.34 and 2,126.59

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Solution

The fourth proportional to 3,123.04, 4,313.34 and 2,126.59 is: 2,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.04 : 4,313.34 = 2,126.59 : x
  2. Step 2: Convert to fraction form
    3,123.04/4,313.34 = 2,126.59/x
  3. Step 3: Cross multiply
    3,123.04x = 4,313.34 × 2,126.59
  4. Step 4: Simplify right side
    3,123.04x = 9,172,703.01
  5. Step 5: Solve for x
    x = 9,172,703.01/3,123.04
  6. Step 6: Final answer
    x = 2,937.11

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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.