Home / 1,503.84-2,075.40-914.52

Finding the Fourth Proportional to 1,503.84, 2,075.40 and 914.52

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Solution

The fourth proportional to 1,503.84, 2,075.40 and 914.52 is: 1,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.84 : 2,075.40 = 914.52 : x
  2. Step 2: Convert to fraction form
    1,503.84/2,075.40 = 914.52/x
  3. Step 3: Cross multiply
    1,503.84x = 2,075.40 × 914.52
  4. Step 4: Simplify right side
    1,503.84x = 1,897,994.81
  5. Step 5: Solve for x
    x = 1,897,994.81/1,503.84
  6. Step 6: Final answer
    x = 1,262.10

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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.