Home / 2,385.95-3,292.55-1,323.70

Finding the Fourth Proportional to 2,385.95, 3,292.55 and 1,323.70

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Solution

The fourth proportional to 2,385.95, 3,292.55 and 1,323.70 is: 1,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.95 : 3,292.55 = 1,323.70 : x
  2. Step 2: Convert to fraction form
    2,385.95/3,292.55 = 1,323.70/x
  3. Step 3: Cross multiply
    2,385.95x = 3,292.55 × 1,323.70
  4. Step 4: Simplify right side
    2,385.95x = 4,358,331.97
  5. Step 5: Solve for x
    x = 4,358,331.97/2,385.95
  6. Step 6: Final answer
    x = 1,826.67

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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.