Home / 2,527.15-3,488.47-2,171.66

Finding the Fourth Proportional to 2,527.15, 3,488.47 and 2,171.66

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Solution

The fourth proportional to 2,527.15, 3,488.47 and 2,171.66 is: 2,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.15 : 3,488.47 = 2,171.66 : x
  2. Step 2: Convert to fraction form
    2,527.15/3,488.47 = 2,171.66/x
  3. Step 3: Cross multiply
    2,527.15x = 3,488.47 × 2,171.66
  4. Step 4: Simplify right side
    2,527.15x = 7,575,767.51
  5. Step 5: Solve for x
    x = 7,575,767.51/2,527.15
  6. Step 6: Final answer
    x = 2,997.75

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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.