Home / 1,724.96-2,374.63-1,558.67

Finding the Fourth Proportional to 1,724.96, 2,374.63 and 1,558.67

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Solution

The fourth proportional to 1,724.96, 2,374.63 and 1,558.67 is: 2,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.96 : 2,374.63 = 1,558.67 : x
  2. Step 2: Convert to fraction form
    1,724.96/2,374.63 = 1,558.67/x
  3. Step 3: Cross multiply
    1,724.96x = 2,374.63 × 1,558.67
  4. Step 4: Simplify right side
    1,724.96x = 3,701,248.77
  5. Step 5: Solve for x
    x = 3,701,248.77/1,724.96
  6. Step 6: Final answer
    x = 2,145.70

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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.