Home / 1,925.98-2,657.87-1,041.78

Finding the Fourth Proportional to 1,925.98, 2,657.87 and 1,041.78

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Solution

The fourth proportional to 1,925.98, 2,657.87 and 1,041.78 is: 1,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.98 : 2,657.87 = 1,041.78 : x
  2. Step 2: Convert to fraction form
    1,925.98/2,657.87 = 1,041.78/x
  3. Step 3: Cross multiply
    1,925.98x = 2,657.87 × 1,041.78
  4. Step 4: Simplify right side
    1,925.98x = 2,768,915.81
  5. Step 5: Solve for x
    x = 2,768,915.81/1,925.98
  6. Step 6: Final answer
    x = 1,437.67

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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.