Home / 2,368.35-3,547.78-1,430.75

Finding the Fourth Proportional to 2,368.35, 3,547.78 and 1,430.75

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Solution

The fourth proportional to 2,368.35, 3,547.78 and 1,430.75 is: 2,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.35 : 3,547.78 = 1,430.75 : x
  2. Step 2: Convert to fraction form
    2,368.35/3,547.78 = 1,430.75/x
  3. Step 3: Cross multiply
    2,368.35x = 3,547.78 × 1,430.75
  4. Step 4: Simplify right side
    2,368.35x = 5,075,986.24
  5. Step 5: Solve for x
    x = 5,075,986.24/2,368.35
  6. Step 6: Final answer
    x = 2,143.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.