Home / 3,570.70-4,927.33-1,977.24

Finding the Fourth Proportional to 3,570.70, 4,927.33 and 1,977.24

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Solution

The fourth proportional to 3,570.70, 4,927.33 and 1,977.24 is: 2,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.70 : 4,927.33 = 1,977.24 : x
  2. Step 2: Convert to fraction form
    3,570.70/4,927.33 = 1,977.24/x
  3. Step 3: Cross multiply
    3,570.70x = 4,927.33 × 1,977.24
  4. Step 4: Simplify right side
    3,570.70x = 9,742,479.45
  5. Step 5: Solve for x
    x = 9,742,479.45/3,570.70
  6. Step 6: Final answer
    x = 2,728.45

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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.