Home / 2,938.28-4,055.08-1,612.24

Finding the Fourth Proportional to 2,938.28, 4,055.08 and 1,612.24

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Solution

The fourth proportional to 2,938.28, 4,055.08 and 1,612.24 is: 2,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.28 : 4,055.08 = 1,612.24 : x
  2. Step 2: Convert to fraction form
    2,938.28/4,055.08 = 1,612.24/x
  3. Step 3: Cross multiply
    2,938.28x = 4,055.08 × 1,612.24
  4. Step 4: Simplify right side
    2,938.28x = 6,537,758.15
  5. Step 5: Solve for x
    x = 6,537,758.15/2,938.28
  6. Step 6: Final answer
    x = 2,225.03

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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.