Home / 2,946.87-4,412.41-1,557.32

Finding the Fourth Proportional to 2,946.87, 4,412.41 and 1,557.32

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Solution

The fourth proportional to 2,946.87, 4,412.41 and 1,557.32 is: 2,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.87 : 4,412.41 = 1,557.32 : x
  2. Step 2: Convert to fraction form
    2,946.87/4,412.41 = 1,557.32/x
  3. Step 3: Cross multiply
    2,946.87x = 4,412.41 × 1,557.32
  4. Step 4: Simplify right side
    2,946.87x = 6,871,526.55
  5. Step 5: Solve for x
    x = 6,871,526.55/2,946.87
  6. Step 6: Final answer
    x = 2,331.81

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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.