Home / 1,864.79-2,586.58-1,798.31

Finding the Fourth Proportional to 1,864.79, 2,586.58 and 1,798.31

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Solution

The fourth proportional to 1,864.79, 2,586.58 and 1,798.31 is: 2,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.79 : 2,586.58 = 1,798.31 : x
  2. Step 2: Convert to fraction form
    1,864.79/2,586.58 = 1,798.31/x
  3. Step 3: Cross multiply
    1,864.79x = 2,586.58 × 1,798.31
  4. Step 4: Simplify right side
    1,864.79x = 4,651,450.76
  5. Step 5: Solve for x
    x = 4,651,450.76/1,864.79
  6. Step 6: Final answer
    x = 2,494.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.