Home / 1,862.02-2,569.69-1,076.32

Finding the Fourth Proportional to 1,862.02, 2,569.69 and 1,076.32

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Solution

The fourth proportional to 1,862.02, 2,569.69 and 1,076.32 is: 1,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.02 : 2,569.69 = 1,076.32 : x
  2. Step 2: Convert to fraction form
    1,862.02/2,569.69 = 1,076.32/x
  3. Step 3: Cross multiply
    1,862.02x = 2,569.69 × 1,076.32
  4. Step 4: Simplify right side
    1,862.02x = 2,765,813.30
  5. Step 5: Solve for x
    x = 2,765,813.30/1,862.02
  6. Step 6: Final answer
    x = 1,485.38

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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.