Home / 2,358.28-3,254.67-1,310.34

Finding the Fourth Proportional to 2,358.28, 3,254.67 and 1,310.34

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Solution

The fourth proportional to 2,358.28, 3,254.67 and 1,310.34 is: 1,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.28 : 3,254.67 = 1,310.34 : x
  2. Step 2: Convert to fraction form
    2,358.28/3,254.67 = 1,310.34/x
  3. Step 3: Cross multiply
    2,358.28x = 3,254.67 × 1,310.34
  4. Step 4: Simplify right side
    2,358.28x = 4,264,724.29
  5. Step 5: Solve for x
    x = 4,264,724.29/2,358.28
  6. Step 6: Final answer
    x = 1,808.40

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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.