Home / 3,312.09-4,969.35-1,557.63

Finding the Fourth Proportional to 3,312.09, 4,969.35 and 1,557.63

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Solution

The fourth proportional to 3,312.09, 4,969.35 and 1,557.63 is: 2,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.09 : 4,969.35 = 1,557.63 : x
  2. Step 2: Convert to fraction form
    3,312.09/4,969.35 = 1,557.63/x
  3. Step 3: Cross multiply
    3,312.09x = 4,969.35 × 1,557.63
  4. Step 4: Simplify right side
    3,312.09x = 7,740,408.64
  5. Step 5: Solve for x
    x = 7,740,408.64/3,312.09
  6. Step 6: Final answer
    x = 2,337.02

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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.