Home / 2,423.80-3,637.29-1,328.94

Finding the Fourth Proportional to 2,423.80, 3,637.29 and 1,328.94

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Solution

The fourth proportional to 2,423.80, 3,637.29 and 1,328.94 is: 1,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.80 : 3,637.29 = 1,328.94 : x
  2. Step 2: Convert to fraction form
    2,423.80/3,637.29 = 1,328.94/x
  3. Step 3: Cross multiply
    2,423.80x = 3,637.29 × 1,328.94
  4. Step 4: Simplify right side
    2,423.80x = 4,833,740.17
  5. Step 5: Solve for x
    x = 4,833,740.17/2,423.80
  6. Step 6: Final answer
    x = 1,994.28

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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.