Home / 1,403.49-2,105.25-526.01

Finding the Fourth Proportional to 1,403.49, 2,105.25 and 526.01

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Solution

The fourth proportional to 1,403.49, 2,105.25 and 526.01 is: 789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.49 : 2,105.25 = 526.01 : x
  2. Step 2: Convert to fraction form
    1,403.49/2,105.25 = 526.01/x
  3. Step 3: Cross multiply
    1,403.49x = 2,105.25 × 526.01
  4. Step 4: Simplify right side
    1,403.49x = 1,107,372.03
  5. Step 5: Solve for x
    x = 1,107,372.03/1,403.49
  6. Step 6: Final answer
    x = 789.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.