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Finding the Fourth Proportional to 1,889.64, 2,607.53 and 1,750.32

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Solution

The fourth proportional to 1,889.64, 2,607.53 and 1,750.32 is: 2,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.64 : 2,607.53 = 1,750.32 : x
  2. Step 2: Convert to fraction form
    1,889.64/2,607.53 = 1,750.32/x
  3. Step 3: Cross multiply
    1,889.64x = 2,607.53 × 1,750.32
  4. Step 4: Simplify right side
    1,889.64x = 4,564,003.16
  5. Step 5: Solve for x
    x = 4,564,003.16/1,889.64
  6. Step 6: Final answer
    x = 2,415.28

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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.