Home / 2,358.23-3,254.51-1,310.29

Finding the Fourth Proportional to 2,358.23, 3,254.51 and 1,310.29

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Solution

The fourth proportional to 2,358.23, 3,254.51 and 1,310.29 is: 1,808.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.23 : 3,254.51 = 1,310.29 : x
  2. Step 2: Convert to fraction form
    2,358.23/3,254.51 = 1,310.29/x
  3. Step 3: Cross multiply
    2,358.23x = 3,254.51 × 1,310.29
  4. Step 4: Simplify right side
    2,358.23x = 4,264,347.05
  5. Step 5: Solve for x
    x = 4,264,347.05/2,358.23
  6. Step 6: Final answer
    x = 1,808.29

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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.