Home / 1,870.09-2,582.82-1,455.44

Finding the Fourth Proportional to 1,870.09, 2,582.82 and 1,455.44

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Solution

The fourth proportional to 1,870.09, 2,582.82 and 1,455.44 is: 2,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.09 : 2,582.82 = 1,455.44 : x
  2. Step 2: Convert to fraction form
    1,870.09/2,582.82 = 1,455.44/x
  3. Step 3: Cross multiply
    1,870.09x = 2,582.82 × 1,455.44
  4. Step 4: Simplify right side
    1,870.09x = 3,759,126.63
  5. Step 5: Solve for x
    x = 3,759,126.63/1,870.09
  6. Step 6: Final answer
    x = 2,010.13

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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.