Home / 1,498.55-2,066.87-1,330.68

Finding the Fourth Proportional to 1,498.55, 2,066.87 and 1,330.68

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Solution

The fourth proportional to 1,498.55, 2,066.87 and 1,330.68 is: 1,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.55 : 2,066.87 = 1,330.68 : x
  2. Step 2: Convert to fraction form
    1,498.55/2,066.87 = 1,330.68/x
  3. Step 3: Cross multiply
    1,498.55x = 2,066.87 × 1,330.68
  4. Step 4: Simplify right side
    1,498.55x = 2,750,335.92
  5. Step 5: Solve for x
    x = 2,750,335.92/1,498.55
  6. Step 6: Final answer
    x = 1,835.34

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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.