Home / 2,798.90-3,862.59-1,750.58

Finding the Fourth Proportional to 2,798.90, 3,862.59 and 1,750.58

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Solution

The fourth proportional to 2,798.90, 3,862.59 and 1,750.58 is: 2,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.90 : 3,862.59 = 1,750.58 : x
  2. Step 2: Convert to fraction form
    2,798.90/3,862.59 = 1,750.58/x
  3. Step 3: Cross multiply
    2,798.90x = 3,862.59 × 1,750.58
  4. Step 4: Simplify right side
    2,798.90x = 6,761,772.80
  5. Step 5: Solve for x
    x = 6,761,772.80/2,798.90
  6. Step 6: Final answer
    x = 2,415.87

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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.