Home / 1,760.40-2,433.99-1,541.70

Finding the Fourth Proportional to 1,760.40, 2,433.99 and 1,541.70

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Solution

The fourth proportional to 1,760.40, 2,433.99 and 1,541.70 is: 2,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.40 : 2,433.99 = 1,541.70 : x
  2. Step 2: Convert to fraction form
    1,760.40/2,433.99 = 1,541.70/x
  3. Step 3: Cross multiply
    1,760.40x = 2,433.99 × 1,541.70
  4. Step 4: Simplify right side
    1,760.40x = 3,752,482.38
  5. Step 5: Solve for x
    x = 3,752,482.38/1,760.40
  6. Step 6: Final answer
    x = 2,131.61

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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.