Home / 3,315.47-4,973.40-2,402.19

Finding the Fourth Proportional to 3,315.47, 4,973.40 and 2,402.19

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Solution

The fourth proportional to 3,315.47, 4,973.40 and 2,402.19 is: 3,603.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.47 : 4,973.40 = 2,402.19 : x
  2. Step 2: Convert to fraction form
    3,315.47/4,973.40 = 2,402.19/x
  3. Step 3: Cross multiply
    3,315.47x = 4,973.40 × 2,402.19
  4. Step 4: Simplify right side
    3,315.47x = 11,947,051.75
  5. Step 5: Solve for x
    x = 11,947,051.75/3,315.47
  6. Step 6: Final answer
    x = 3,603.43

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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.