Home / 3,088.81-4,261.50-1,761.56

Finding the Fourth Proportional to 3,088.81, 4,261.50 and 1,761.56

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Solution

The fourth proportional to 3,088.81, 4,261.50 and 1,761.56 is: 2,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.81 : 4,261.50 = 1,761.56 : x
  2. Step 2: Convert to fraction form
    3,088.81/4,261.50 = 1,761.56/x
  3. Step 3: Cross multiply
    3,088.81x = 4,261.50 × 1,761.56
  4. Step 4: Simplify right side
    3,088.81x = 7,506,887.94
  5. Step 5: Solve for x
    x = 7,506,887.94/3,088.81
  6. Step 6: Final answer
    x = 2,430.35

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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.