Home / 1,864.90-2,573.65-1,025.67

Finding the Fourth Proportional to 1,864.90, 2,573.65 and 1,025.67

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Solution

The fourth proportional to 1,864.90, 2,573.65 and 1,025.67 is: 1,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.90 : 2,573.65 = 1,025.67 : x
  2. Step 2: Convert to fraction form
    1,864.90/2,573.65 = 1,025.67/x
  3. Step 3: Cross multiply
    1,864.90x = 2,573.65 × 1,025.67
  4. Step 4: Simplify right side
    1,864.90x = 2,639,715.60
  5. Step 5: Solve for x
    x = 2,639,715.60/1,864.90
  6. Step 6: Final answer
    x = 1,415.47

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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.