Home / 1,637.89-2,258.08-1,113.01

Finding the Fourth Proportional to 1,637.89, 2,258.08 and 1,113.01

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Solution

The fourth proportional to 1,637.89, 2,258.08 and 1,113.01 is: 1,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.89 : 2,258.08 = 1,113.01 : x
  2. Step 2: Convert to fraction form
    1,637.89/2,258.08 = 1,113.01/x
  3. Step 3: Cross multiply
    1,637.89x = 2,258.08 × 1,113.01
  4. Step 4: Simplify right side
    1,637.89x = 2,513,265.62
  5. Step 5: Solve for x
    x = 2,513,265.62/1,637.89
  6. Step 6: Final answer
    x = 1,534.45

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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.