Home / 2,130.12-3,194.92-570.24

Finding the Fourth Proportional to 2,130.12, 3,194.92 and 570.24

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Solution

The fourth proportional to 2,130.12, 3,194.92 and 570.24 is: 855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.12 : 3,194.92 = 570.24 : x
  2. Step 2: Convert to fraction form
    2,130.12/3,194.92 = 570.24/x
  3. Step 3: Cross multiply
    2,130.12x = 3,194.92 × 570.24
  4. Step 4: Simplify right side
    2,130.12x = 1,821,875.99
  5. Step 5: Solve for x
    x = 1,821,875.99/2,130.12
  6. Step 6: Final answer
    x = 855.29

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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.