Home / 2,319.19-3,477.70-1,345.57

Finding the Fourth Proportional to 2,319.19, 3,477.70 and 1,345.57

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Solution

The fourth proportional to 2,319.19, 3,477.70 and 1,345.57 is: 2,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.19 : 3,477.70 = 1,345.57 : x
  2. Step 2: Convert to fraction form
    2,319.19/3,477.70 = 1,345.57/x
  3. Step 3: Cross multiply
    2,319.19x = 3,477.70 × 1,345.57
  4. Step 4: Simplify right side
    2,319.19x = 4,679,488.79
  5. Step 5: Solve for x
    x = 4,679,488.79/2,319.19
  6. Step 6: Final answer
    x = 2,017.73

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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.