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Finding the Fourth Proportional to 1,750.21, 2,415.02 and 964.10

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Solution

The fourth proportional to 1,750.21, 2,415.02 and 964.10 is: 1,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.21 : 2,415.02 = 964.10 : x
  2. Step 2: Convert to fraction form
    1,750.21/2,415.02 = 964.10/x
  3. Step 3: Cross multiply
    1,750.21x = 2,415.02 × 964.10
  4. Step 4: Simplify right side
    1,750.21x = 2,328,322.00
  5. Step 5: Solve for x
    x = 2,328,322.00/1,750.21
  6. Step 6: Final answer
    x = 1,330.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.