Home / 2,526.31-3,486.46-1,407.25

Finding the Fourth Proportional to 2,526.31, 3,486.46 and 1,407.25

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Solution

The fourth proportional to 2,526.31, 3,486.46 and 1,407.25 is: 1,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.31 : 3,486.46 = 1,407.25 : x
  2. Step 2: Convert to fraction form
    2,526.31/3,486.46 = 1,407.25/x
  3. Step 3: Cross multiply
    2,526.31x = 3,486.46 × 1,407.25
  4. Step 4: Simplify right side
    2,526.31x = 4,906,325.46
  5. Step 5: Solve for x
    x = 4,906,325.46/2,526.31
  6. Step 6: Final answer
    x = 1,942.10

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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.