Home / 1,637.37-2,258.84-973.85

Finding the Fourth Proportional to 1,637.37, 2,258.84 and 973.85

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Solution

The fourth proportional to 1,637.37, 2,258.84 and 973.85 is: 1,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.37 : 2,258.84 = 973.85 : x
  2. Step 2: Convert to fraction form
    1,637.37/2,258.84 = 973.85/x
  3. Step 3: Cross multiply
    1,637.37x = 2,258.84 × 973.85
  4. Step 4: Simplify right side
    1,637.37x = 2,199,755.17
  5. Step 5: Solve for x
    x = 2,199,755.17/1,637.37
  6. Step 6: Final answer
    x = 1,343.47

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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.