Home / 3,045.64-4,565.36-1,403.40

Finding the Fourth Proportional to 3,045.64, 4,565.36 and 1,403.40

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Solution

The fourth proportional to 3,045.64, 4,565.36 and 1,403.40 is: 2,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.64 : 4,565.36 = 1,403.40 : x
  2. Step 2: Convert to fraction form
    3,045.64/4,565.36 = 1,403.40/x
  3. Step 3: Cross multiply
    3,045.64x = 4,565.36 × 1,403.40
  4. Step 4: Simplify right side
    3,045.64x = 6,407,026.22
  5. Step 5: Solve for x
    x = 6,407,026.22/3,045.64
  6. Step 6: Final answer
    x = 2,103.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.