Home / 2,345.46-3,235.75-1,505.98

Finding the Fourth Proportional to 2,345.46, 3,235.75 and 1,505.98

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Solution

The fourth proportional to 2,345.46, 3,235.75 and 1,505.98 is: 2,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.46 : 3,235.75 = 1,505.98 : x
  2. Step 2: Convert to fraction form
    2,345.46/3,235.75 = 1,505.98/x
  3. Step 3: Cross multiply
    2,345.46x = 3,235.75 × 1,505.98
  4. Step 4: Simplify right side
    2,345.46x = 4,872,974.79
  5. Step 5: Solve for x
    x = 4,872,974.79/2,345.46
  6. Step 6: Final answer
    x = 2,077.62

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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.