Home / 1,862.10-2,568.88-1,153.75

Finding the Fourth Proportional to 1,862.10, 2,568.88 and 1,153.75

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Solution

The fourth proportional to 1,862.10, 2,568.88 and 1,153.75 is: 1,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.10 : 2,568.88 = 1,153.75 : x
  2. Step 2: Convert to fraction form
    1,862.10/2,568.88 = 1,153.75/x
  3. Step 3: Cross multiply
    1,862.10x = 2,568.88 × 1,153.75
  4. Step 4: Simplify right side
    1,862.10x = 2,963,845.30
  5. Step 5: Solve for x
    x = 2,963,845.30/1,862.10
  6. Step 6: Final answer
    x = 1,591.67

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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.