Home / 2,862.08-4,289.28-1,130.24

Finding the Fourth Proportional to 2,862.08, 4,289.28 and 1,130.24

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Solution

The fourth proportional to 2,862.08, 4,289.28 and 1,130.24 is: 1,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.08 : 4,289.28 = 1,130.24 : x
  2. Step 2: Convert to fraction form
    2,862.08/4,289.28 = 1,130.24/x
  3. Step 3: Cross multiply
    2,862.08x = 4,289.28 × 1,130.24
  4. Step 4: Simplify right side
    2,862.08x = 4,847,915.83
  5. Step 5: Solve for x
    x = 4,847,915.83/2,862.08
  6. Step 6: Final answer
    x = 1,693.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.