Home / 2,345.13-3,520.31-1,359.05

Finding the Fourth Proportional to 2,345.13, 3,520.31 and 1,359.05

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Solution

The fourth proportional to 2,345.13, 3,520.31 and 1,359.05 is: 2,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.13 : 3,520.31 = 1,359.05 : x
  2. Step 2: Convert to fraction form
    2,345.13/3,520.31 = 1,359.05/x
  3. Step 3: Cross multiply
    2,345.13x = 3,520.31 × 1,359.05
  4. Step 4: Simplify right side
    2,345.13x = 4,784,252.91
  5. Step 5: Solve for x
    x = 4,784,252.91/2,345.13
  6. Step 6: Final answer
    x = 2,040.08

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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.