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Finding the Fourth Proportional to 2,900.52, 4,347.54 and 1,254.60

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Solution

The fourth proportional to 2,900.52, 4,347.54 and 1,254.60 is: 1,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.52 : 4,347.54 = 1,254.60 : x
  2. Step 2: Convert to fraction form
    2,900.52/4,347.54 = 1,254.60/x
  3. Step 3: Cross multiply
    2,900.52x = 4,347.54 × 1,254.60
  4. Step 4: Simplify right side
    2,900.52x = 5,454,423.68
  5. Step 5: Solve for x
    x = 5,454,423.68/2,900.52
  6. Step 6: Final answer
    x = 1,880.50

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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.