Home / 1,870.56-2,580.03-1,339.92

Finding the Fourth Proportional to 1,870.56, 2,580.03 and 1,339.92

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Solution

The fourth proportional to 1,870.56, 2,580.03 and 1,339.92 is: 1,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.56 : 2,580.03 = 1,339.92 : x
  2. Step 2: Convert to fraction form
    1,870.56/2,580.03 = 1,339.92/x
  3. Step 3: Cross multiply
    1,870.56x = 2,580.03 × 1,339.92
  4. Step 4: Simplify right side
    1,870.56x = 3,457,033.80
  5. Step 5: Solve for x
    x = 3,457,033.80/1,870.56
  6. Step 6: Final answer
    x = 1,848.13

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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.