Home / 2,955.40-4,427.60-1,472.92

Finding the Fourth Proportional to 2,955.40, 4,427.60 and 1,472.92

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Solution

The fourth proportional to 2,955.40, 4,427.60 and 1,472.92 is: 2,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.40 : 4,427.60 = 1,472.92 : x
  2. Step 2: Convert to fraction form
    2,955.40/4,427.60 = 1,472.92/x
  3. Step 3: Cross multiply
    2,955.40x = 4,427.60 × 1,472.92
  4. Step 4: Simplify right side
    2,955.40x = 6,521,500.59
  5. Step 5: Solve for x
    x = 6,521,500.59/2,955.40
  6. Step 6: Final answer
    x = 2,206.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.