Home / 3,130.93-4,323.92-2,709.27

Finding the Fourth Proportional to 3,130.93, 4,323.92 and 2,709.27

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Solution

The fourth proportional to 3,130.93, 4,323.92 and 2,709.27 is: 3,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.93 : 4,323.92 = 2,709.27 : x
  2. Step 2: Convert to fraction form
    3,130.93/4,323.92 = 2,709.27/x
  3. Step 3: Cross multiply
    3,130.93x = 4,323.92 × 2,709.27
  4. Step 4: Simplify right side
    3,130.93x = 11,714,666.74
  5. Step 5: Solve for x
    x = 11,714,666.74/3,130.93
  6. Step 6: Final answer
    x = 3,741.59

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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.