Home / 2,860.36-4,291.35-1,130.20

Finding the Fourth Proportional to 2,860.36, 4,291.35 and 1,130.20

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Solution

The fourth proportional to 2,860.36, 4,291.35 and 1,130.20 is: 1,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.36 : 4,291.35 = 1,130.20 : x
  2. Step 2: Convert to fraction form
    2,860.36/4,291.35 = 1,130.20/x
  3. Step 3: Cross multiply
    2,860.36x = 4,291.35 × 1,130.20
  4. Step 4: Simplify right side
    2,860.36x = 4,850,083.77
  5. Step 5: Solve for x
    x = 4,850,083.77/2,860.36
  6. Step 6: Final answer
    x = 1,695.62

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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.