Home / 1,935.48-2,674.38-1,545.72

Finding the Fourth Proportional to 1,935.48, 2,674.38 and 1,545.72

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Solution

The fourth proportional to 1,935.48, 2,674.38 and 1,545.72 is: 2,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.48 : 2,674.38 = 1,545.72 : x
  2. Step 2: Convert to fraction form
    1,935.48/2,674.38 = 1,545.72/x
  3. Step 3: Cross multiply
    1,935.48x = 2,674.38 × 1,545.72
  4. Step 4: Simplify right side
    1,935.48x = 4,133,842.65
  5. Step 5: Solve for x
    x = 4,133,842.65/1,935.48
  6. Step 6: Final answer
    x = 2,135.82

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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.