Home / 3,515.04-4,852.80-2,118.24

Finding the Fourth Proportional to 3,515.04, 4,852.80 and 2,118.24

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Solution

The fourth proportional to 3,515.04, 4,852.80 and 2,118.24 is: 2,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.04 : 4,852.80 = 2,118.24 : x
  2. Step 2: Convert to fraction form
    3,515.04/4,852.80 = 2,118.24/x
  3. Step 3: Cross multiply
    3,515.04x = 4,852.80 × 2,118.24
  4. Step 4: Simplify right side
    3,515.04x = 10,279,395.07
  5. Step 5: Solve for x
    x = 10,279,395.07/3,515.04
  6. Step 6: Final answer
    x = 2,924.40

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Half scale
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Double scale
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Similar ratio
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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.