Home / 2,088.11-2,880.21-1,343.01

Finding the Fourth Proportional to 2,088.11, 2,880.21 and 1,343.01

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Solution

The fourth proportional to 2,088.11, 2,880.21 and 1,343.01 is: 1,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.11 : 2,880.21 = 1,343.01 : x
  2. Step 2: Convert to fraction form
    2,088.11/2,880.21 = 1,343.01/x
  3. Step 3: Cross multiply
    2,088.11x = 2,880.21 × 1,343.01
  4. Step 4: Simplify right side
    2,088.11x = 3,868,156.60
  5. Step 5: Solve for x
    x = 3,868,156.60/2,088.11
  6. Step 6: Final answer
    x = 1,852.47

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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.