Home / 2,885.86-4,323.35-1,423.30

Finding the Fourth Proportional to 2,885.86, 4,323.35 and 1,423.30

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Solution

The fourth proportional to 2,885.86, 4,323.35 and 1,423.30 is: 2,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.86 : 4,323.35 = 1,423.30 : x
  2. Step 2: Convert to fraction form
    2,885.86/4,323.35 = 1,423.30/x
  3. Step 3: Cross multiply
    2,885.86x = 4,323.35 × 1,423.30
  4. Step 4: Simplify right side
    2,885.86x = 6,153,424.06
  5. Step 5: Solve for x
    x = 6,153,424.06/2,885.86
  6. Step 6: Final answer
    x = 2,132.27

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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.