Home / 1,862.70-2,569.92-1,076.28

Finding the Fourth Proportional to 1,862.70, 2,569.92 and 1,076.28

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Solution

The fourth proportional to 1,862.70, 2,569.92 and 1,076.28 is: 1,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.70 : 2,569.92 = 1,076.28 : x
  2. Step 2: Convert to fraction form
    1,862.70/2,569.92 = 1,076.28/x
  3. Step 3: Cross multiply
    1,862.70x = 2,569.92 × 1,076.28
  4. Step 4: Simplify right side
    1,862.70x = 2,765,953.50
  5. Step 5: Solve for x
    x = 2,765,953.50/1,862.70
  6. Step 6: Final answer
    x = 1,484.92

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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.