Home / 1,637.47-2,258.92-973.95

Finding the Fourth Proportional to 1,637.47, 2,258.92 and 973.95

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Solution

The fourth proportional to 1,637.47, 2,258.92 and 973.95 is: 1,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.47 : 2,258.92 = 973.95 : x
  2. Step 2: Convert to fraction form
    1,637.47/2,258.92 = 973.95/x
  3. Step 3: Cross multiply
    1,637.47x = 2,258.92 × 973.95
  4. Step 4: Simplify right side
    1,637.47x = 2,200,075.13
  5. Step 5: Solve for x
    x = 2,200,075.13/1,637.47
  6. Step 6: Final answer
    x = 1,343.58

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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.