Home / 2,315.01-3,193.61-1,430.49

Finding the Fourth Proportional to 2,315.01, 3,193.61 and 1,430.49

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Solution

The fourth proportional to 2,315.01, 3,193.61 and 1,430.49 is: 1,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.01 : 3,193.61 = 1,430.49 : x
  2. Step 2: Convert to fraction form
    2,315.01/3,193.61 = 1,430.49/x
  3. Step 3: Cross multiply
    2,315.01x = 3,193.61 × 1,430.49
  4. Step 4: Simplify right side
    2,315.01x = 4,568,420.02
  5. Step 5: Solve for x
    x = 4,568,420.02/2,315.01
  6. Step 6: Final answer
    x = 1,973.39

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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.