Home / 1,862.60-2,571.59-1,155.19

Finding the Fourth Proportional to 1,862.60, 2,571.59 and 1,155.19

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Solution

The fourth proportional to 1,862.60, 2,571.59 and 1,155.19 is: 1,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.60 : 2,571.59 = 1,155.19 : x
  2. Step 2: Convert to fraction form
    1,862.60/2,571.59 = 1,155.19/x
  3. Step 3: Cross multiply
    1,862.60x = 2,571.59 × 1,155.19
  4. Step 4: Simplify right side
    1,862.60x = 2,970,669.28
  5. Step 5: Solve for x
    x = 2,970,669.28/1,862.60
  6. Step 6: Final answer
    x = 1,594.91

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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.