Home / 1,725.81-2,382.02-1,053.85

Finding the Fourth Proportional to 1,725.81, 2,382.02 and 1,053.85

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Solution

The fourth proportional to 1,725.81, 2,382.02 and 1,053.85 is: 1,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.81 : 2,382.02 = 1,053.85 : x
  2. Step 2: Convert to fraction form
    1,725.81/2,382.02 = 1,053.85/x
  3. Step 3: Cross multiply
    1,725.81x = 2,382.02 × 1,053.85
  4. Step 4: Simplify right side
    1,725.81x = 2,510,291.78
  5. Step 5: Solve for x
    x = 2,510,291.78/1,725.81
  6. Step 6: Final answer
    x = 1,454.56

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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.