Home / 2,424.61-3,638.51-1,329.75

Finding the Fourth Proportional to 2,424.61, 3,638.51 and 1,329.75

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Solution

The fourth proportional to 2,424.61, 3,638.51 and 1,329.75 is: 1,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.61 : 3,638.51 = 1,329.75 : x
  2. Step 2: Convert to fraction form
    2,424.61/3,638.51 = 1,329.75/x
  3. Step 3: Cross multiply
    2,424.61x = 3,638.51 × 1,329.75
  4. Step 4: Simplify right side
    2,424.61x = 4,838,307.01
  5. Step 5: Solve for x
    x = 4,838,307.01/2,424.61
  6. Step 6: Final answer
    x = 1,995.50

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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.