Home / 1,686.01-2,327.76-1,088.74

Finding the Fourth Proportional to 1,686.01, 2,327.76 and 1,088.74

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Solution

The fourth proportional to 1,686.01, 2,327.76 and 1,088.74 is: 1,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.01 : 2,327.76 = 1,088.74 : x
  2. Step 2: Convert to fraction form
    1,686.01/2,327.76 = 1,088.74/x
  3. Step 3: Cross multiply
    1,686.01x = 2,327.76 × 1,088.74
  4. Step 4: Simplify right side
    1,686.01x = 2,534,325.42
  5. Step 5: Solve for x
    x = 2,534,325.42/1,686.01
  6. Step 6: Final answer
    x = 1,503.15

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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.