Home / 1,880.14-2,820.55-1,058.87

Finding the Fourth Proportional to 1,880.14, 2,820.55 and 1,058.87

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Solution

The fourth proportional to 1,880.14, 2,820.55 and 1,058.87 is: 1,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.14 : 2,820.55 = 1,058.87 : x
  2. Step 2: Convert to fraction form
    1,880.14/2,820.55 = 1,058.87/x
  3. Step 3: Cross multiply
    1,880.14x = 2,820.55 × 1,058.87
  4. Step 4: Simplify right side
    1,880.14x = 2,986,599.19
  5. Step 5: Solve for x
    x = 2,986,599.19/1,880.14
  6. Step 6: Final answer
    x = 1,588.50

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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.