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Finding the Fourth Proportional to 1,507.87, 2,260.95 and 1,033.48

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Solution

The fourth proportional to 1,507.87, 2,260.95 and 1,033.48 is: 1,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.87 : 2,260.95 = 1,033.48 : x
  2. Step 2: Convert to fraction form
    1,507.87/2,260.95 = 1,033.48/x
  3. Step 3: Cross multiply
    1,507.87x = 2,260.95 × 1,033.48
  4. Step 4: Simplify right side
    1,507.87x = 2,336,652.26
  5. Step 5: Solve for x
    x = 2,336,652.26/1,507.87
  6. Step 6: Final answer
    x = 1,549.64

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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.