Home / 2,214.65-3,320.34-1,870.19

Finding the Fourth Proportional to 2,214.65, 3,320.34 and 1,870.19

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Solution

The fourth proportional to 2,214.65, 3,320.34 and 1,870.19 is: 2,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.65 : 3,320.34 = 1,870.19 : x
  2. Step 2: Convert to fraction form
    2,214.65/3,320.34 = 1,870.19/x
  3. Step 3: Cross multiply
    2,214.65x = 3,320.34 × 1,870.19
  4. Step 4: Simplify right side
    2,214.65x = 6,209,666.66
  5. Step 5: Solve for x
    x = 6,209,666.66/2,214.65
  6. Step 6: Final answer
    x = 2,803.90

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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.