Home / 2,913.60-4,370.40-1,064.76

Finding the Fourth Proportional to 2,913.60, 4,370.40 and 1,064.76

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Solution

The fourth proportional to 2,913.60, 4,370.40 and 1,064.76 is: 1,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.60 : 4,370.40 = 1,064.76 : x
  2. Step 2: Convert to fraction form
    2,913.60/4,370.40 = 1,064.76/x
  3. Step 3: Cross multiply
    2,913.60x = 4,370.40 × 1,064.76
  4. Step 4: Simplify right side
    2,913.60x = 4,653,427.10
  5. Step 5: Solve for x
    x = 4,653,427.10/2,913.60
  6. Step 6: Final answer
    x = 1,597.14

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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.