Home / 2,688.64-4,030.04-1,044.70

Finding the Fourth Proportional to 2,688.64, 4,030.04 and 1,044.70

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Solution

The fourth proportional to 2,688.64, 4,030.04 and 1,044.70 is: 1,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.64 : 4,030.04 = 1,044.70 : x
  2. Step 2: Convert to fraction form
    2,688.64/4,030.04 = 1,044.70/x
  3. Step 3: Cross multiply
    2,688.64x = 4,030.04 × 1,044.70
  4. Step 4: Simplify right side
    2,688.64x = 4,210,182.79
  5. Step 5: Solve for x
    x = 4,210,182.79/2,688.64
  6. Step 6: Final answer
    x = 1,565.92

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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.