Home / 2,475.60-3,417.58-1,914.80

Finding the Fourth Proportional to 2,475.60, 3,417.58 and 1,914.80

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Solution

The fourth proportional to 2,475.60, 3,417.58 and 1,914.80 is: 2,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.60 : 3,417.58 = 1,914.80 : x
  2. Step 2: Convert to fraction form
    2,475.60/3,417.58 = 1,914.80/x
  3. Step 3: Cross multiply
    2,475.60x = 3,417.58 × 1,914.80
  4. Step 4: Simplify right side
    2,475.60x = 6,543,982.18
  5. Step 5: Solve for x
    x = 6,543,982.18/2,475.60
  6. Step 6: Final answer
    x = 2,643.39

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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.