Home / 1,210.20-1,652.77-1,197.24

Finding the Fourth Proportional to 1,210.20, 1,652.77 and 1,197.24

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Solution

The fourth proportional to 1,210.20, 1,652.77 and 1,197.24 is: 1,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210.20 : 1,652.77 = 1,197.24 : x
  2. Step 2: Convert to fraction form
    1,210.20/1,652.77 = 1,197.24/x
  3. Step 3: Cross multiply
    1,210.20x = 1,652.77 × 1,197.24
  4. Step 4: Simplify right side
    1,210.20x = 1,978,762.35
  5. Step 5: Solve for x
    x = 1,978,762.35/1,210.20
  6. Step 6: Final answer
    x = 1,635.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.