Home / 2,288.32-3,157.45-1,541.10

Finding the Fourth Proportional to 2,288.32, 3,157.45 and 1,541.10

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Solution

The fourth proportional to 2,288.32, 3,157.45 and 1,541.10 is: 2,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.32 : 3,157.45 = 1,541.10 : x
  2. Step 2: Convert to fraction form
    2,288.32/3,157.45 = 1,541.10/x
  3. Step 3: Cross multiply
    2,288.32x = 3,157.45 × 1,541.10
  4. Step 4: Simplify right side
    2,288.32x = 4,865,946.20
  5. Step 5: Solve for x
    x = 4,865,946.20/2,288.32
  6. Step 6: Final answer
    x = 2,126.43

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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.