Home / 2,358.07-3,254.05-1,310.20

Finding the Fourth Proportional to 2,358.07, 3,254.05 and 1,310.20

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Solution

The fourth proportional to 2,358.07, 3,254.05 and 1,310.20 is: 1,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.07 : 3,254.05 = 1,310.20 : x
  2. Step 2: Convert to fraction form
    2,358.07/3,254.05 = 1,310.20/x
  3. Step 3: Cross multiply
    2,358.07x = 3,254.05 × 1,310.20
  4. Step 4: Simplify right side
    2,358.07x = 4,263,456.31
  5. Step 5: Solve for x
    x = 4,263,456.31/2,358.07
  6. Step 6: Final answer
    x = 1,808.03

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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.