Home / 3,088.36-4,642.58-2,478.74

Finding the Fourth Proportional to 3,088.36, 4,642.58 and 2,478.74

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Solution

The fourth proportional to 3,088.36, 4,642.58 and 2,478.74 is: 3,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.36 : 4,642.58 = 2,478.74 : x
  2. Step 2: Convert to fraction form
    3,088.36/4,642.58 = 2,478.74/x
  3. Step 3: Cross multiply
    3,088.36x = 4,642.58 × 2,478.74
  4. Step 4: Simplify right side
    3,088.36x = 11,507,748.75
  5. Step 5: Solve for x
    x = 11,507,748.75/3,088.36
  6. Step 6: Final answer
    x = 3,726.17

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1.5x scale

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.