Home / 2,358.60-3,254.40-1,427.10

Finding the Fourth Proportional to 2,358.60, 3,254.40 and 1,427.10

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Solution

The fourth proportional to 2,358.60, 3,254.40 and 1,427.10 is: 1,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.60 : 3,254.40 = 1,427.10 : x
  2. Step 2: Convert to fraction form
    2,358.60/3,254.40 = 1,427.10/x
  3. Step 3: Cross multiply
    2,358.60x = 3,254.40 × 1,427.10
  4. Step 4: Simplify right side
    2,358.60x = 4,644,354.24
  5. Step 5: Solve for x
    x = 4,644,354.24/2,358.60
  6. Step 6: Final answer
    x = 1,969.11

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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.