Home / 1,870.28-2,580.65-1,124.25

Finding the Fourth Proportional to 1,870.28, 2,580.65 and 1,124.25

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Solution

The fourth proportional to 1,870.28, 2,580.65 and 1,124.25 is: 1,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.28 : 2,580.65 = 1,124.25 : x
  2. Step 2: Convert to fraction form
    1,870.28/2,580.65 = 1,124.25/x
  3. Step 3: Cross multiply
    1,870.28x = 2,580.65 × 1,124.25
  4. Step 4: Simplify right side
    1,870.28x = 2,901,303.09
  5. Step 5: Solve for x
    x = 2,901,303.09/1,870.28
  6. Step 6: Final answer
    x = 1,551.26

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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.