Home / 3,315.60-4,973.36-1,342.12

Finding the Fourth Proportional to 3,315.60, 4,973.36 and 1,342.12

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Solution

The fourth proportional to 3,315.60, 4,973.36 and 1,342.12 is: 2,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.60 : 4,973.36 = 1,342.12 : x
  2. Step 2: Convert to fraction form
    3,315.60/4,973.36 = 1,342.12/x
  3. Step 3: Cross multiply
    3,315.60x = 4,973.36 × 1,342.12
  4. Step 4: Simplify right side
    3,315.60x = 6,674,845.92
  5. Step 5: Solve for x
    x = 6,674,845.92/3,315.60
  6. Step 6: Final answer
    x = 2,013.16

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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.