Home / 2,358.40-3,252.64-1,426.08

Finding the Fourth Proportional to 2,358.40, 3,252.64 and 1,426.08

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Solution

The fourth proportional to 2,358.40, 3,252.64 and 1,426.08 is: 1,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.40 : 3,252.64 = 1,426.08 : x
  2. Step 2: Convert to fraction form
    2,358.40/3,252.64 = 1,426.08/x
  3. Step 3: Cross multiply
    2,358.40x = 3,252.64 × 1,426.08
  4. Step 4: Simplify right side
    2,358.40x = 4,638,524.85
  5. Step 5: Solve for x
    x = 4,638,524.85/2,358.40
  6. Step 6: Final answer
    x = 1,966.81

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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.