Home / 3,125.53-4,313.16-1,709.23

Finding the Fourth Proportional to 3,125.53, 4,313.16 and 1,709.23

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Solution

The fourth proportional to 3,125.53, 4,313.16 and 1,709.23 is: 2,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.53 : 4,313.16 = 1,709.23 : x
  2. Step 2: Convert to fraction form
    3,125.53/4,313.16 = 1,709.23/x
  3. Step 3: Cross multiply
    3,125.53x = 4,313.16 × 1,709.23
  4. Step 4: Simplify right side
    3,125.53x = 7,372,182.47
  5. Step 5: Solve for x
    x = 7,372,182.47/3,125.53
  6. Step 6: Final answer
    x = 2,358.70

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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.