Home / 2,029.90-2,801.13-1,145.62

Finding the Fourth Proportional to 2,029.90, 2,801.13 and 1,145.62

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Solution

The fourth proportional to 2,029.90, 2,801.13 and 1,145.62 is: 1,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.90 : 2,801.13 = 1,145.62 : x
  2. Step 2: Convert to fraction form
    2,029.90/2,801.13 = 1,145.62/x
  3. Step 3: Cross multiply
    2,029.90x = 2,801.13 × 1,145.62
  4. Step 4: Simplify right side
    2,029.90x = 3,209,030.55
  5. Step 5: Solve for x
    x = 3,209,030.55/2,029.90
  6. Step 6: Final answer
    x = 1,580.88

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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.