Home / 1,867.50-2,574.50-1,336.23

Finding the Fourth Proportional to 1,867.50, 2,574.50 and 1,336.23

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Solution

The fourth proportional to 1,867.50, 2,574.50 and 1,336.23 is: 1,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.50 : 2,574.50 = 1,336.23 : x
  2. Step 2: Convert to fraction form
    1,867.50/2,574.50 = 1,336.23/x
  3. Step 3: Cross multiply
    1,867.50x = 2,574.50 × 1,336.23
  4. Step 4: Simplify right side
    1,867.50x = 3,440,117.45
  5. Step 5: Solve for x
    x = 3,440,117.45/1,867.50
  6. Step 6: Final answer
    x = 1,842.10

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1.5x scale

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.