Home / 1,637.98-2,257.86-1,113.10

Finding the Fourth Proportional to 1,637.98, 2,257.86 and 1,113.10

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Solution

The fourth proportional to 1,637.98, 2,257.86 and 1,113.10 is: 1,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.98 : 2,257.86 = 1,113.10 : x
  2. Step 2: Convert to fraction form
    1,637.98/2,257.86 = 1,113.10/x
  3. Step 3: Cross multiply
    1,637.98x = 2,257.86 × 1,113.10
  4. Step 4: Simplify right side
    1,637.98x = 2,513,223.97
  5. Step 5: Solve for x
    x = 2,513,223.97/1,637.98
  6. Step 6: Final answer
    x = 1,534.34

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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.