Home / 2,853.61-3,934.91-2,477.36

Finding the Fourth Proportional to 2,853.61, 3,934.91 and 2,477.36

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Solution

The fourth proportional to 2,853.61, 3,934.91 and 2,477.36 is: 3,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.61 : 3,934.91 = 2,477.36 : x
  2. Step 2: Convert to fraction form
    2,853.61/3,934.91 = 2,477.36/x
  3. Step 3: Cross multiply
    2,853.61x = 3,934.91 × 2,477.36
  4. Step 4: Simplify right side
    2,853.61x = 9,748,204.67
  5. Step 5: Solve for x
    x = 9,748,204.67/2,853.61
  6. Step 6: Final answer
    x = 3,416.10

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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.