Home / 2,904.77-4,356.50-1,423.40

Finding the Fourth Proportional to 2,904.77, 4,356.50 and 1,423.40

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Solution

The fourth proportional to 2,904.77, 4,356.50 and 1,423.40 is: 2,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.77 : 4,356.50 = 1,423.40 : x
  2. Step 2: Convert to fraction form
    2,904.77/4,356.50 = 1,423.40/x
  3. Step 3: Cross multiply
    2,904.77x = 4,356.50 × 1,423.40
  4. Step 4: Simplify right side
    2,904.77x = 6,201,013.20
  5. Step 5: Solve for x
    x = 6,201,013.20/2,904.77
  6. Step 6: Final answer
    x = 2,134.77

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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.