Home / 2,903.42-4,355.73-1,421.18

Finding the Fourth Proportional to 2,903.42, 4,355.73 and 1,421.18

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Solution

The fourth proportional to 2,903.42, 4,355.73 and 1,421.18 is: 2,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.42 : 4,355.73 = 1,421.18 : x
  2. Step 2: Convert to fraction form
    2,903.42/4,355.73 = 1,421.18/x
  3. Step 3: Cross multiply
    2,903.42x = 4,355.73 × 1,421.18
  4. Step 4: Simplify right side
    2,903.42x = 6,190,276.36
  5. Step 5: Solve for x
    x = 6,190,276.36/2,903.42
  6. Step 6: Final answer
    x = 2,132.06

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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.