Home / 2,507.40-3,457.80-2,261.34

Finding the Fourth Proportional to 2,507.40, 3,457.80 and 2,261.34

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Solution

The fourth proportional to 2,507.40, 3,457.80 and 2,261.34 is: 3,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.40 : 3,457.80 = 2,261.34 : x
  2. Step 2: Convert to fraction form
    2,507.40/3,457.80 = 2,261.34/x
  3. Step 3: Cross multiply
    2,507.40x = 3,457.80 × 2,261.34
  4. Step 4: Simplify right side
    2,507.40x = 7,819,261.45
  5. Step 5: Solve for x
    x = 7,819,261.45/2,507.40
  6. Step 6: Final answer
    x = 3,118.47

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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.