Home / 2,659.48-3,666.27-1,871.08

Finding the Fourth Proportional to 2,659.48, 3,666.27 and 1,871.08

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Solution

The fourth proportional to 2,659.48, 3,666.27 and 1,871.08 is: 2,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.48 : 3,666.27 = 1,871.08 : x
  2. Step 2: Convert to fraction form
    2,659.48/3,666.27 = 1,871.08/x
  3. Step 3: Cross multiply
    2,659.48x = 3,666.27 × 1,871.08
  4. Step 4: Simplify right side
    2,659.48x = 6,859,884.47
  5. Step 5: Solve for x
    x = 6,859,884.47/2,659.48
  6. Step 6: Final answer
    x = 2,579.41

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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.