Home / 2,271.04-3,133.49-1,326.30

Finding the Fourth Proportional to 2,271.04, 3,133.49 and 1,326.30

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Solution

The fourth proportional to 2,271.04, 3,133.49 and 1,326.30 is: 1,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.04 : 3,133.49 = 1,326.30 : x
  2. Step 2: Convert to fraction form
    2,271.04/3,133.49 = 1,326.30/x
  3. Step 3: Cross multiply
    2,271.04x = 3,133.49 × 1,326.30
  4. Step 4: Simplify right side
    2,271.04x = 4,155,947.79
  5. Step 5: Solve for x
    x = 4,155,947.79/2,271.04
  6. Step 6: Final answer
    x = 1,829.98

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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.