Home / 1,807.06-2,490.60-1,528.02

Finding the Fourth Proportional to 1,807.06, 2,490.60 and 1,528.02

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Solution

The fourth proportional to 1,807.06, 2,490.60 and 1,528.02 is: 2,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.06 : 2,490.60 = 1,528.02 : x
  2. Step 2: Convert to fraction form
    1,807.06/2,490.60 = 1,528.02/x
  3. Step 3: Cross multiply
    1,807.06x = 2,490.60 × 1,528.02
  4. Step 4: Simplify right side
    1,807.06x = 3,805,686.61
  5. Step 5: Solve for x
    x = 3,805,686.61/1,807.06
  6. Step 6: Final answer
    x = 2,106.01

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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.