Home / 2,235.40-3,345.18-1,454.92

Finding the Fourth Proportional to 2,235.40, 3,345.18 and 1,454.92

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Solution

The fourth proportional to 2,235.40, 3,345.18 and 1,454.92 is: 2,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.40 : 3,345.18 = 1,454.92 : x
  2. Step 2: Convert to fraction form
    2,235.40/3,345.18 = 1,454.92/x
  3. Step 3: Cross multiply
    2,235.40x = 3,345.18 × 1,454.92
  4. Step 4: Simplify right side
    2,235.40x = 4,866,969.29
  5. Step 5: Solve for x
    x = 4,866,969.29/2,235.40
  6. Step 6: Final answer
    x = 2,177.23

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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.