Home / 2,358.32-3,254.51-1,310.38

Finding the Fourth Proportional to 2,358.32, 3,254.51 and 1,310.38

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Solution

The fourth proportional to 2,358.32, 3,254.51 and 1,310.38 is: 1,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.32 : 3,254.51 = 1,310.38 : x
  2. Step 2: Convert to fraction form
    2,358.32/3,254.51 = 1,310.38/x
  3. Step 3: Cross multiply
    2,358.32x = 3,254.51 × 1,310.38
  4. Step 4: Simplify right side
    2,358.32x = 4,264,639.95
  5. Step 5: Solve for x
    x = 4,264,639.95/2,358.32
  6. Step 6: Final answer
    x = 1,808.34

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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.