Home / 1,508.99-2,254.77-1,197.60

Finding the Fourth Proportional to 1,508.99, 2,254.77 and 1,197.60

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Solution

The fourth proportional to 1,508.99, 2,254.77 and 1,197.60 is: 1,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.99 : 2,254.77 = 1,197.60 : x
  2. Step 2: Convert to fraction form
    1,508.99/2,254.77 = 1,197.60/x
  3. Step 3: Cross multiply
    1,508.99x = 2,254.77 × 1,197.60
  4. Step 4: Simplify right side
    1,508.99x = 2,700,312.55
  5. Step 5: Solve for x
    x = 2,700,312.55/1,508.99
  6. Step 6: Final answer
    x = 1,789.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.