Home / 2,864.45-3,952.75-1,588.25

Finding the Fourth Proportional to 2,864.45, 3,952.75 and 1,588.25

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Solution

The fourth proportional to 2,864.45, 3,952.75 and 1,588.25 is: 2,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.45 : 3,952.75 = 1,588.25 : x
  2. Step 2: Convert to fraction form
    2,864.45/3,952.75 = 1,588.25/x
  3. Step 3: Cross multiply
    2,864.45x = 3,952.75 × 1,588.25
  4. Step 4: Simplify right side
    2,864.45x = 6,277,955.19
  5. Step 5: Solve for x
    x = 6,277,955.19/2,864.45
  6. Step 6: Final answer
    x = 2,191.68

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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.