Home / 2,445.42-3,374.64-1,368.67

Finding the Fourth Proportional to 2,445.42, 3,374.64 and 1,368.67

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Solution

The fourth proportional to 2,445.42, 3,374.64 and 1,368.67 is: 1,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.42 : 3,374.64 = 1,368.67 : x
  2. Step 2: Convert to fraction form
    2,445.42/3,374.64 = 1,368.67/x
  3. Step 3: Cross multiply
    2,445.42x = 3,374.64 × 1,368.67
  4. Step 4: Simplify right side
    2,445.42x = 4,618,772.06
  5. Step 5: Solve for x
    x = 4,618,772.06/2,445.42
  6. Step 6: Final answer
    x = 1,888.75

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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.