Home / 1,259.02-1,749.46-1,245.52

Finding the Fourth Proportional to 1,259.02, 1,749.46 and 1,245.52

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Solution

The fourth proportional to 1,259.02, 1,749.46 and 1,245.52 is: 1,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.02 : 1,749.46 = 1,245.52 : x
  2. Step 2: Convert to fraction form
    1,259.02/1,749.46 = 1,245.52/x
  3. Step 3: Cross multiply
    1,259.02x = 1,749.46 × 1,245.52
  4. Step 4: Simplify right side
    1,259.02x = 2,178,987.42
  5. Step 5: Solve for x
    x = 2,178,987.42/1,259.02
  6. Step 6: Final answer
    x = 1,730.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.