Home / 1,782.07-2,459.08-1,036.02

Finding the Fourth Proportional to 1,782.07, 2,459.08 and 1,036.02

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Solution

The fourth proportional to 1,782.07, 2,459.08 and 1,036.02 is: 1,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.07 : 2,459.08 = 1,036.02 : x
  2. Step 2: Convert to fraction form
    1,782.07/2,459.08 = 1,036.02/x
  3. Step 3: Cross multiply
    1,782.07x = 2,459.08 × 1,036.02
  4. Step 4: Simplify right side
    1,782.07x = 2,547,656.06
  5. Step 5: Solve for x
    x = 2,547,656.06/1,782.07
  6. Step 6: Final answer
    x = 1,429.60

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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.