Home / 2,430.02-3,353.04-1,381.88

Finding the Fourth Proportional to 2,430.02, 3,353.04 and 1,381.88

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Solution

The fourth proportional to 2,430.02, 3,353.04 and 1,381.88 is: 1,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.02 : 3,353.04 = 1,381.88 : x
  2. Step 2: Convert to fraction form
    2,430.02/3,353.04 = 1,381.88/x
  3. Step 3: Cross multiply
    2,430.02x = 3,353.04 × 1,381.88
  4. Step 4: Simplify right side
    2,430.02x = 4,633,482.15
  5. Step 5: Solve for x
    x = 4,633,482.15/2,430.02
  6. Step 6: Final answer
    x = 1,906.77

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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.