Home / 2,758.32-4,117.20-2,430.24

Finding the Fourth Proportional to 2,758.32, 4,117.20 and 2,430.24

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Solution

The fourth proportional to 2,758.32, 4,117.20 and 2,430.24 is: 3,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.32 : 4,117.20 = 2,430.24 : x
  2. Step 2: Convert to fraction form
    2,758.32/4,117.20 = 2,430.24/x
  3. Step 3: Cross multiply
    2,758.32x = 4,117.20 × 2,430.24
  4. Step 4: Simplify right side
    2,758.32x = 10,005,784.13
  5. Step 5: Solve for x
    x = 10,005,784.13/2,758.32
  6. Step 6: Final answer
    x = 3,627.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.