Home / 1,878.26-2,816.37-1,058.13

Finding the Fourth Proportional to 1,878.26, 2,816.37 and 1,058.13

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Solution

The fourth proportional to 1,878.26, 2,816.37 and 1,058.13 is: 1,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.26 : 2,816.37 = 1,058.13 : x
  2. Step 2: Convert to fraction form
    1,878.26/2,816.37 = 1,058.13/x
  3. Step 3: Cross multiply
    1,878.26x = 2,816.37 × 1,058.13
  4. Step 4: Simplify right side
    1,878.26x = 2,980,085.59
  5. Step 5: Solve for x
    x = 2,980,085.59/1,878.26
  6. Step 6: Final answer
    x = 1,586.62

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1.5x scale

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.