Home / 2,088.76-2,880.48-1,521.06

Finding the Fourth Proportional to 2,088.76, 2,880.48 and 1,521.06

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Solution

The fourth proportional to 2,088.76, 2,880.48 and 1,521.06 is: 2,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.76 : 2,880.48 = 1,521.06 : x
  2. Step 2: Convert to fraction form
    2,088.76/2,880.48 = 1,521.06/x
  3. Step 3: Cross multiply
    2,088.76x = 2,880.48 × 1,521.06
  4. Step 4: Simplify right side
    2,088.76x = 4,381,382.91
  5. Step 5: Solve for x
    x = 4,381,382.91/2,088.76
  6. Step 6: Final answer
    x = 2,097.60

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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.