Home / 4,290.64-5,921.03-2,402.23

Finding the Fourth Proportional to 4,290.64, 5,921.03 and 2,402.23

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Solution

The fourth proportional to 4,290.64, 5,921.03 and 2,402.23 is: 3,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.64 : 5,921.03 = 2,402.23 : x
  2. Step 2: Convert to fraction form
    4,290.64/5,921.03 = 2,402.23/x
  3. Step 3: Cross multiply
    4,290.64x = 5,921.03 × 2,402.23
  4. Step 4: Simplify right side
    4,290.64x = 14,223,663.89
  5. Step 5: Solve for x
    x = 14,223,663.89/4,290.64
  6. Step 6: Final answer
    x = 3,315.04

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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.